SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Teledyne Technologies Inc – ‘10-K’ for 12/29/19 – ‘XML’

On:  Friday, 2/21/20, at 8:25pm ET   ·   As of:  2/24/20   ·   For:  12/29/19   ·   Accession #:  1094285-20-45   ·   File #:  1-15295

Previous ‘10-K’:  ‘10-K’ on 2/25/19 for 12/30/18   ·   Next:  ‘10-K’ on 2/26/21 for 1/3/21   ·   Latest:  ‘10-K’ on 2/23/24 for 12/31/23   ·   4 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 2/24/20  Teledyne Technologies Inc         10-K       12/29/19  121:23M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   2.43M 
 2: EX-4.1      EX-4.1 Description of the Registrant's Securities   HTML     43K 
                Registered Under Section 12                                      
 3: EX-10.17    EX-10.17 Terms and Conditions of Stock Option       HTML     67K 
                Grants                                                           
 4: EX-21       EX-21 Subsidiaries of Teledyne Technologies         HTML     57K 
                Incorporated 2019                                                
 5: EX-23.1     EX-23.1 Consent of Independent Registered Public    HTML     35K 
                Accounting Firm Deloitte                                         
 6: EX-24.1     EX-24.1 Power of Attorney                           HTML     39K 
 7: EX-31.1     EX-31.1 Certification of CEO Pursuant to SEC 302    HTML     39K 
 8: EX-31.2     EX-31.2 Certification of CFO Pursuant to SEC 302    HTML     39K 
 9: EX-32.1     EX-32.1 Certification of CEO Pursuant to SEC 906    HTML     35K 
10: EX-32.2     EX-32.2 Certification of CFO Pursuant to SEC 906    HTML     35K 
85: R1          Cover Page                                          HTML     97K 
34: R2          Consolidated Statements of Income                   HTML     93K 
48: R3          Consolidated Statements of Comprehensive Income     HTML     66K 
118: R4          Consolidated Balance Sheets                         HTML    123K  
83: R5          Consolidated Balance Sheets (Parenthetical)         HTML     50K 
32: R6          Consolidated Statements of Stockholders' Equity     HTML     62K 
46: R7          Consolidated Statements of Cash Flows               HTML    115K 
120: R8          Description of Business                             HTML     38K  
80: R9          Summary of Significant Accounting Policies          HTML    283K 
26: R10         Business Acquisitions, Goodwill and Acquired        HTML    220K 
                Intangible Assets                                                
68: R11         Financial Instruments                               HTML     38K 
109: R12         Accounts Receivable and Unbilled Receivables        HTML     55K  
97: R13         Inventories                                         HTML     50K 
25: R14         Supplemental Balance Sheet Information              HTML     63K 
67: R15         Stockholder's Equity                                HTML    202K 
108: R16         Long-Term Debt                                      HTML     81K  
96: R17         Income Taxes                                        HTML    169K 
27: R18         Pension Plans and Postretirement Benefits           HTML    450K 
66: R19         Business Segments                                   HTML    355K 
112: R20         Lease Commitments                                   HTML     57K  
72: R21         Commitments and Contingencies                       HTML     43K 
31: R22         Subsequent Event                                    HTML     37K 
45: R23         Quarterly Financial Data (Unaudited)                HTML    243K 
111: R24         Schedule II Valuation and Qualifying Accounts       HTML     85K  
71: R25         Summary of Significant Accounting Policies          HTML    176K 
                (Policies)                                                       
30: R26         Summary of Significant Accounting Policies          HTML    226K 
                (Tables)                                                         
44: R27         Business Acquisitions, Goodwill and Acquired        HTML    219K 
                Intangible Assets (Tables)                                       
110: R28         Accounts Receivable and Unbilled Receivables        HTML     55K  
                (Tables)                                                         
73: R29         Inventories (Tables)                                HTML     51K 
94: R30         Supplemental Balance Sheet Information (Tables)     HTML     65K 
105: R31         Stockholder's Equity (Tables)                       HTML    196K  
69: R32         Long-Term Debt (Tables)                             HTML     83K 
28: R33         Income Taxes (Tables)                               HTML    170K 
95: R34         Pension Plans and Postretirement Benefits (Tables)  HTML    452K 
106: R35         Business Segments (Tables)                          HTML    452K  
70: R36         Lease Commitments (Tables)                          HTML     51K 
29: R37         Quarterly Financial Data (Unaudited) (Tables)       HTML    316K 
93: R38         Summary of Significant Accounting Policies          HTML    124K 
                (Accumulated Other Comprehensive Income) (Details)               
107: R39         Summary of Significant Accounting Policies          HTML    187K  
                (Narrative) (Details)                                            
82: R40         Summary of Significant Accounting Policies -        HTML     42K 
                Remaining Performance Obligation (Details)                       
117: R41         Summary of Significant Accounting Policies          HTML     47K  
                (Product Warranty and Replacement Costs) (Details)               
47: R42         Summary of Significant Accounting Policies (Net     HTML     67K 
                Income Per Common Share) (Details)                               
33: R43         Summary of Significant Accounting Policies          HTML     49K 
                (Property, Plant and Equipment) (Details)                        
84: R44         Summary of Significant Accounting Policies          HTML    125K 
                (Hedging Activities/Derivative Instruments)                      
                (Details)                                                        
119: R45         Business Acquistions, Goodwill and Acquired         HTML     51K  
                Intangible Assets (2019 Acquisitions) (Details)                  
49: R46         Business Acquisitions, Goodwill and Acquired        HTML    121K 
                Intangible Assets (2017 Acquisitions) (Details)                  
35: R47         Business Acquisitions, Goodwill and Acquired        HTML     45K 
                Intangible Assets (Pro Forma Information)                        
                (Details)                                                        
81: R48         Business Acquisitions, Goodwill and Acquired        HTML     54K 
                Intangible Assets (Purchase Price) (Details)                     
121: R49         Business Acquistions, Goodwill and Acquired         HTML     60K  
                Intangible Assets (Goodwill and Intangible Assets                
                Narrative) (Details)                                             
104: R50         Business Acquisitions, Goodwill and Acquired        HTML     62K  
                Intangible Assets (Assets Acquired and Liabilities               
                Assumed) (Details)                                               
91: R51         Business Acquisitions, Goodwill and Acquired        HTML     65K 
                Intangible Assets (Acquired Intangible Assets)                   
                (Details)                                                        
17: R52         Business Acquisitions, Goodwill and Acquired        HTML     53K 
                Intangible Assets (Goodwill) (Details)                           
58: R53         Business Acquisitions, Goodwill and Acquired        HTML     65K 
                Intangible Assets (Other Acquired Intangible                     
                Assets) (Details)                                                
103: R54         Business Acquisitions, Goodwill and Acquired        HTML     46K  
                Intangible Assets (Remaining Useful Life)                        
                (Details)                                                        
90: R55         Financial Instruments (Details)                     HTML     35K 
16: R56         Accounts Receivable and Unbilled Receivables        HTML     49K 
                (Details)                                                        
57: R57         Inventories (Details)                               HTML     47K 
102: R58         Inventories (Details Textual)                       HTML     39K  
92: R59         Supplemental Balance Sheet Information (Property,   HTML     49K 
                Plant and Equipment) (Details)                                   
39: R60         Supplemental Balance Sheet Information (Selected    HTML     45K 
                Balance Sheet) (Details)                                         
55: R61         Stockholder's Equity (Common Stock Share Activity)  HTML     43K 
                (Details)                                                        
115: R62         Stockholder's Equity (Narrative) (Details)          HTML    159K  
78: R63         Stockholder's Equity (Fair Value Assumptions)       HTML     50K 
                (Details)                                                        
38: R64         Stockholder's Equity (Stock Option Plans)           HTML     64K 
                (Details)                                                        
54: R65         Stockholder's Equity (Exercise Price Range)         HTML     75K 
                (Details)                                                        
114: R66         Stockholder's Equity (Nonvested Restricted Stock    HTML     60K  
                Activity) (Details)                                              
77: R67         Stockholder's Equity (Directors' Restricted Stock   HTML     60K 
                Activity) (Details)                                              
41: R68         Long-Term Debt (Details)                            HTML    107K 
50: R69         Long-term Debt Maturities (Details)                 HTML     61K 
61: R70         Long-Term Debt (Details Textual)                    HTML     73K 
22: R71         Income Taxes (Narrative) (Details)                  HTML     98K 
87: R72         Income Taxes (Income Tax Expense (Benefit)          HTML     67K 
                (Details)                                                        
99: R73         Income Taxes (Effective Income Tax Rate) (Details)  HTML     72K 
62: R74         Income Taxes (Deferred Income Tax) (Details)        HTML     74K 
23: R75         Income Taxes (Unrecognized Tax Benefits) (Details)  HTML     49K 
88: R76         Pension Plans and Postretirement Benefits           HTML    110K 
                (Narrative) (Details)                                            
100: R77         Pension Plans and Postretirement Benefits (Net      HTML     64K  
                Periodic Pension Benefit (Income) Expense)                       
                (Details)                                                        
65: R78         Pension Plans and Postretirement Benefits (Benefit  HTML     58K 
                Obligation and Net Benefit Cost) (Details)                       
20: R79         Pension Plans and Postretirement Benefits (Benefit  HTML     65K 
                Obligation) (Details)                                            
60: R80         Pension Plans and Postretirement Benefits (Changes  HTML     58K 
                in Plan Assets) (Details)                                        
21: R81         Pension Plans and Postretirement Benefits (Funded   HTML     73K 
                Status) (Details)                                                
86: R82         Pension Plans and Post Retirement Benefits          HTML     44K 
                (Pension Plans with Accumulated Benefit                          
                Obligations in Excess of Fair Value of Plan                      
                Assets) (Details)                                                
98: R83         Pension Plans and Postretirement Benefits           HTML     59K 
                (Estimated Future Benefit Payments) (Details)                    
63: R84         Pension Plans and Postretirement Benefits           HTML     51K 
                (Percentage of Plan Assets) (Details)                            
24: R85         Pension Plans and Postretirement Benefits (Fair     HTML     97K 
                Value) (Details)                                                 
89: R86         Pension Plans and Postretirement Benefits           HTML     47K 
                (Postretirement Benefit cost (Income)) (Details)                 
101: R87         Pension Plans and Postretirement Benefits (Changes  HTML     48K  
                in Benefit Obligation) (Details)                                 
64: R88         Pension Plans and Postretirement Benefits           HTML     52K 
                (Postretirement Funded Status) (Details)                         
19: R89         Business Segments (Narrative) (Details)             HTML    101K 
40: R90         Business Segments (Business Segments) (Details)     HTML    121K 
56: R91         Business Segments (Sales and Long-lived Assets)     HTML     64K 
                (Details)                                                        
116: R92         Business Segments (Product Lines) (Details)         HTML     51K  
79: R93         Business Segments Business Segments                 HTML    129K 
                (Disaggregation of Revenue) (Details)                            
37: R94         Lease Commitments (Narrative) (Details)             HTML     51K 
53: R95         Lease Commitments (Details)                         HTML     54K 
113: R96         Commitments and Contingencies (Details Textual)     HTML     44K  
76: R97         Subsequent Event (Details)                          HTML     60K 
42: R98         Quarterly Financial Data (Unaudited) (Details)      HTML     85K 
51: R99         Quarterly Financial Data (Unaudited) - Quarterly    HTML     71K 
                Financial Data by Segment (Details)                              
52: R100        Schedule II Valuation and Qualifying Accounts       HTML     48K 
                (Details)                                                        
74: R9999       Uncategorized Items - tdy-20191229.htm              HTML     36K 
18: XML         IDEA XML File -- Filing Summary                      XML    230K 
59: XML         XBRL Instance -- tdy-20191229_htm                    XML   6.86M 
36: EXCEL       IDEA Workbook of Financial Reports                  XLSX    161K 
12: EX-101.CAL  XBRL Calculations -- tdy-20191229_cal                XML    351K 
13: EX-101.DEF  XBRL Definitions -- tdy-20191229_def                 XML   1.41M 
14: EX-101.LAB  XBRL Labels -- tdy-20191229_lab                      XML   2.87M 
15: EX-101.PRE  XBRL Presentations -- tdy-20191229_pre               XML   1.91M 
11: EX-101.SCH  XBRL Schema -- tdy-20191229                          XSD    272K 
75: JSON        XBRL Instance as JSON Data -- MetaLinks              574±   901K 
43: ZIP         XBRL Zipped Folder -- 0001094285-20-000045-xbrl      Zip    689K 


‘XML’   —   IDEA XML File — Filing Summary


This Document is an IDEA XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.19.3.a.u2 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 659 </ContextCount>
<ElementCount> 603 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> true </FootnotesReported>
<SegmentCount> 170 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 14 </UnitCount>
<MyReports>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 0001001 - Document - Cover Page </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/CoverPage </Role>
<ShortName> Cover Page </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 1001002 - Statement - Consolidated Statements of Income </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ConsolidatedStatementsofIncome </Role>
<ShortName> Consolidated Statements of Income </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 1002003 - Statement - Consolidated Statements of Comprehensive Income </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ConsolidatedStatementsofComprehensiveIncome </Role>
<ShortName> Consolidated Statements of Comprehensive Income </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 1003004 - Statement - Consolidated Balance Sheets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ConsolidatedBalanceSheets </Role>
<ShortName> Consolidated Balance Sheets </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 1004005 - Statement - Consolidated Balance Sheets (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ConsolidatedBalanceSheetsParenthetical </Role>
<ShortName> Consolidated Balance Sheets (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 1005006 - Statement - Consolidated Statements of Stockholders' Equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ConsolidatedStatementsofStockholdersEquity </Role>
<ShortName> Consolidated Statements of Stockholders' Equity </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 1006007 - Statement - Consolidated Statements of Cash Flows </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ConsolidatedStatementsofCashFlows </Role>
<ShortName> Consolidated Statements of Cash Flows </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 2101101 - Disclosure - Description of Business </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/DescriptionofBusiness </Role>
<ShortName> Description of Business </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 2102102 - Disclosure - Summary of Significant Accounting Policies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPolicies </Role>
<ShortName> Summary of Significant Accounting Policies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 2112103 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssets </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 2124104 - Disclosure - Financial Instruments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/FinancialInstruments </Role>
<ShortName> Financial Instruments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 2126105 - Disclosure - Accounts Receivable and Unbilled Receivables </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/AccountsReceivableandUnbilledReceivables </Role>
<ShortName> Accounts Receivable and Unbilled Receivables </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 2129106 - Disclosure - Inventories </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/Inventories </Role>
<ShortName> Inventories </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 2133107 - Disclosure - Supplemental Balance Sheet Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SupplementalBalanceSheetInformation </Role>
<ShortName> Supplemental Balance Sheet Information </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 2137108 - Disclosure - Stockholder's Equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquity </Role>
<ShortName> Stockholder's Equity </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 2146109 - Disclosure - Long-Term Debt </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LongTermDebt </Role>
<ShortName> Long-Term Debt </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 2151110 - Disclosure - Income Taxes </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/IncomeTaxes </Role>
<ShortName> Income Taxes </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 2158111 - Disclosure - Pension Plans and Postretirement Benefits </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefits </Role>
<ShortName> Pension Plans and Postretirement Benefits </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 2173112 - Disclosure - Business Segments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessSegments </Role>
<ShortName> Business Segments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 2180113 - Disclosure - Lease Commitments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LeaseCommitments </Role>
<ShortName> Lease Commitments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 2184114 - Disclosure - Commitments and Contingencies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/CommitmentsandContingencies </Role>
<ShortName> Commitments and Contingencies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 2186115 - Disclosure - Subsequent Event </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SubsequentEvent </Role>
<ShortName> Subsequent Event </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 2188116 - Disclosure - Quarterly Financial Data (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/QuarterlyFinancialDataUnaudited </Role>
<ShortName> Quarterly Financial Data (Unaudited) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 2192117 - Disclosure - Schedule II Valuation and Qualifying Accounts </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ScheduleIIValuationandQualifyingAccounts </Role>
<ShortName> Schedule II Valuation and Qualifying Accounts </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 2203201 - Disclosure - Summary of Significant Accounting Policies (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesPolicies </Role>
<ShortName> Summary of Significant Accounting Policies (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPolicies </ParentRole>
<Position> 25 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 2304301 - Disclosure - Summary of Significant Accounting Policies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesTables </Role>
<ShortName> Summary of Significant Accounting Policies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPolicies </ParentRole>
<Position> 26 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 2313302 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssets </ParentRole>
<Position> 27 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 2327303 - Disclosure - Accounts Receivable and Unbilled Receivables (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/AccountsReceivableandUnbilledReceivablesTables </Role>
<ShortName> Accounts Receivable and Unbilled Receivables (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/AccountsReceivableandUnbilledReceivables </ParentRole>
<Position> 28 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 2330304 - Disclosure - Inventories (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/InventoriesTables </Role>
<ShortName> Inventories (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/Inventories </ParentRole>
<Position> 29 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 2334305 - Disclosure - Supplemental Balance Sheet Information (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SupplementalBalanceSheetInformationTables </Role>
<ShortName> Supplemental Balance Sheet Information (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SupplementalBalanceSheetInformation </ParentRole>
<Position> 30 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 2338306 - Disclosure - Stockholder's Equity (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityTables </Role>
<ShortName> Stockholder's Equity (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquity </ParentRole>
<Position> 31 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 2347307 - Disclosure - Long-Term Debt (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LongTermDebtTables </Role>
<ShortName> Long-Term Debt (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/LongTermDebt </ParentRole>
<Position> 32 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 2352308 - Disclosure - Income Taxes (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/IncomeTaxesTables </Role>
<ShortName> Income Taxes (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/IncomeTaxes </ParentRole>
<Position> 33 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 2359309 - Disclosure - Pension Plans and Postretirement Benefits (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </Role>
<ShortName> Pension Plans and Postretirement Benefits (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefits </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 2374310 - Disclosure - Business Segments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessSegmentsTables </Role>
<ShortName> Business Segments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessSegments </ParentRole>
<Position> 35 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 2381311 - Disclosure - Lease Commitments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LeaseCommitmentsTables </Role>
<ShortName> Lease Commitments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/LeaseCommitments </ParentRole>
<Position> 36 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 2389312 - Disclosure - Quarterly Financial Data (Unaudited) (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/QuarterlyFinancialDataUnauditedTables </Role>
<ShortName> Quarterly Financial Data (Unaudited) (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.teledyne.com/role/QuarterlyFinancialDataUnaudited </ParentRole>
<Position> 37 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 2405401 - Disclosure - Summary of Significant Accounting Policies (Accumulated Other Comprehensive Income) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesAccumulatedOtherComprehensiveIncomeDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Accumulated Other Comprehensive Income) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesTables </ParentRole>
<Position> 38 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 2406402 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesTables </ParentRole>
<Position> 39 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 2407403 - Disclosure - Summary of Significant Accounting Policies - Remaining Performance Obligation (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesRemainingPerformanceObligationDetails </Role>
<ShortName> Summary of Significant Accounting Policies - Remaining Performance Obligation (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 40 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 2408404 - Disclosure - Summary of Significant Accounting Policies (Product Warranty and Replacement Costs) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesProductWarrantyandReplacementCostsDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Product Warranty and Replacement Costs) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesTables </ParentRole>
<Position> 41 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 2409405 - Disclosure - Summary of Significant Accounting Policies (Net Income Per Common Share) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesNetIncomePerCommonShareDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Net Income Per Common Share) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesTables </ParentRole>
<Position> 42 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 2410406 - Disclosure - Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesTables </ParentRole>
<Position> 43 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 2411407 - Disclosure - Summary of Significant Accounting Policies (Hedging Activities/Derivative Instruments) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesHedgingActivitiesDerivativeInstrumentsDetails </Role>
<ShortName> Summary of Significant Accounting Policies (Hedging Activities/Derivative Instruments) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SummaryofSignificantAccountingPoliciesTables </ParentRole>
<Position> 44 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 2414408 - Disclosure - Business Acquistions, Goodwill and Acquired Intangible Assets (2019 Acquisitions) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquistionsGoodwillandAcquiredIntangibleAssets2019AcquisitionsDetails </Role>
<ShortName> Business Acquistions, Goodwill and Acquired Intangible Assets (2019 Acquisitions) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 45 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 2415409 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (2017 Acquisitions) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssets2017AcquisitionsDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (2017 Acquisitions) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 46 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 2416410 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Pro Forma Information) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsProFormaInformationDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Pro Forma Information) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 47 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 2417411 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Purchase Price) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsPurchasePriceDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Purchase Price) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 48 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 2418412 - Disclosure - Business Acquistions, Goodwill and Acquired Intangible Assets (Goodwill and Intangible Assets Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquistionsGoodwillandAcquiredIntangibleAssetsGoodwillandIntangibleAssetsNarrativeDetails </Role>
<ShortName> Business Acquistions, Goodwill and Acquired Intangible Assets (Goodwill and Intangible Assets Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 49 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 2419413 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Assets Acquired and Liabilities Assumed) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsAssetsAcquiredandLiabilitiesAssumedDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Assets Acquired and Liabilities Assumed) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 50 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 2420414 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Acquired Intangible Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsAcquiredIntangibleAssetsDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Acquired Intangible Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 51 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 2421415 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Goodwill) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsGoodwillDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Goodwill) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 52 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 2422416 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Other Acquired Intangible Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsOtherAcquiredIntangibleAssetsDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Other Acquired Intangible Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 53 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 2423417 - Disclosure - Business Acquisitions, Goodwill and Acquired Intangible Assets (Remaining Useful Life) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsRemainingUsefulLifeDetails </Role>
<ShortName> Business Acquisitions, Goodwill and Acquired Intangible Assets (Remaining Useful Life) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessAcquisitionsGoodwillandAcquiredIntangibleAssetsTables </ParentRole>
<Position> 54 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 2425418 - Disclosure - Financial Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/FinancialInstrumentsDetails </Role>
<ShortName> Financial Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/FinancialInstruments </ParentRole>
<Position> 55 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 2428419 - Disclosure - Accounts Receivable and Unbilled Receivables (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/AccountsReceivableandUnbilledReceivablesDetails </Role>
<ShortName> Accounts Receivable and Unbilled Receivables (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/AccountsReceivableandUnbilledReceivablesTables </ParentRole>
<Position> 56 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 2431420 - Disclosure - Inventories (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/InventoriesDetails </Role>
<ShortName> Inventories (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/InventoriesTables </ParentRole>
<Position> 57 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 2432421 - Disclosure - Inventories (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/InventoriesDetailsTextual </Role>
<ShortName> Inventories (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/InventoriesTables </ParentRole>
<Position> 58 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 2435422 - Disclosure - Supplemental Balance Sheet Information (Property, Plant and Equipment) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SupplementalBalanceSheetInformationPropertyPlantandEquipmentDetails </Role>
<ShortName> Supplemental Balance Sheet Information (Property, Plant and Equipment) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SupplementalBalanceSheetInformationTables </ParentRole>
<Position> 59 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 2436423 - Disclosure - Supplemental Balance Sheet Information (Selected Balance Sheet) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SupplementalBalanceSheetInformationSelectedBalanceSheetDetails </Role>
<ShortName> Supplemental Balance Sheet Information (Selected Balance Sheet) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SupplementalBalanceSheetInformationTables </ParentRole>
<Position> 60 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 2439424 - Disclosure - Stockholder's Equity (Common Stock Share Activity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityCommonStockShareActivityDetails </Role>
<ShortName> Stockholder's Equity (Common Stock Share Activity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquityTables </ParentRole>
<Position> 61 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 2440425 - Disclosure - Stockholder's Equity (Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityNarrativeDetails </Role>
<ShortName> Stockholder's Equity (Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquityTables </ParentRole>
<Position> 62 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 2441426 - Disclosure - Stockholder's Equity (Fair Value Assumptions) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityFairValueAssumptionsDetails </Role>
<ShortName> Stockholder's Equity (Fair Value Assumptions) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquityTables </ParentRole>
<Position> 63 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 2442427 - Disclosure - Stockholder's Equity (Stock Option Plans) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityStockOptionPlansDetails </Role>
<ShortName> Stockholder's Equity (Stock Option Plans) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquityTables </ParentRole>
<Position> 64 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 2443428 - Disclosure - Stockholder's Equity (Exercise Price Range) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityExercisePriceRangeDetails </Role>
<ShortName> Stockholder's Equity (Exercise Price Range) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquityTables </ParentRole>
<Position> 65 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 2444429 - Disclosure - Stockholder's Equity (Nonvested Restricted Stock Activity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityNonvestedRestrictedStockActivityDetails </Role>
<ShortName> Stockholder's Equity (Nonvested Restricted Stock Activity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquityTables </ParentRole>
<Position> 66 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 2445430 - Disclosure - Stockholder's Equity (Directors' Restricted Stock Activity) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/StockholdersEquityDirectorsRestrictedStockActivityDetails </Role>
<ShortName> Stockholder's Equity (Directors' Restricted Stock Activity) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/StockholdersEquityTables </ParentRole>
<Position> 67 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 2448431 - Disclosure - Long-Term Debt (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LongTermDebtDetails </Role>
<ShortName> Long-Term Debt (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/LongTermDebtTables </ParentRole>
<Position> 68 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 2449432 - Disclosure - Long-term Debt Maturities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LongtermDebtMaturitiesDetails </Role>
<ShortName> Long-term Debt Maturities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 69 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 2450433 - Disclosure - Long-Term Debt (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LongTermDebtDetailsTextual </Role>
<ShortName> Long-Term Debt (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/LongTermDebtTables </ParentRole>
<Position> 70 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 2453434 - Disclosure - Income Taxes (Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/IncomeTaxesNarrativeDetails </Role>
<ShortName> Income Taxes (Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/IncomeTaxesTables </ParentRole>
<Position> 71 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 2454435 - Disclosure - Income Taxes (Income Tax Expense (Benefit) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/IncomeTaxesIncomeTaxExpenseBenefitDetails </Role>
<ShortName> Income Taxes (Income Tax Expense (Benefit) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/IncomeTaxesTables </ParentRole>
<Position> 72 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 2455436 - Disclosure - Income Taxes (Effective Income Tax Rate) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/IncomeTaxesEffectiveIncomeTaxRateDetails </Role>
<ShortName> Income Taxes (Effective Income Tax Rate) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/IncomeTaxesTables </ParentRole>
<Position> 73 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 2456437 - Disclosure - Income Taxes (Deferred Income Tax) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/IncomeTaxesDeferredIncomeTaxDetails </Role>
<ShortName> Income Taxes (Deferred Income Tax) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/IncomeTaxesTables </ParentRole>
<Position> 74 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 2457438 - Disclosure - Income Taxes (Unrecognized Tax Benefits) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/IncomeTaxesUnrecognizedTaxBenefitsDetails </Role>
<ShortName> Income Taxes (Unrecognized Tax Benefits) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/IncomeTaxesTables </ParentRole>
<Position> 75 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R76.htm </HtmlFileName>
<LongName> 2460439 - Disclosure - Pension Plans and Postretirement Benefits (Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsNarrativeDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 76 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R77.htm </HtmlFileName>
<LongName> 2461440 - Disclosure - Pension Plans and Postretirement Benefits (Net Periodic Pension Benefit (Income) Expense) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsNetPeriodicPensionBenefitIncomeExpenseDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Net Periodic Pension Benefit (Income) Expense) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 77 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R78.htm </HtmlFileName>
<LongName> 2462441 - Disclosure - Pension Plans and Postretirement Benefits (Benefit Obligation and Net Benefit Cost) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsBenefitObligationandNetBenefitCostDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Benefit Obligation and Net Benefit Cost) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 78 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R79.htm </HtmlFileName>
<LongName> 2463442 - Disclosure - Pension Plans and Postretirement Benefits (Benefit Obligation) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsBenefitObligationDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Benefit Obligation) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 79 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R80.htm </HtmlFileName>
<LongName> 2464443 - Disclosure - Pension Plans and Postretirement Benefits (Changes in Plan Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsChangesinPlanAssetsDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Changes in Plan Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 80 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R81.htm </HtmlFileName>
<LongName> 2465444 - Disclosure - Pension Plans and Postretirement Benefits (Funded Status) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsFundedStatusDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Funded Status) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 81 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R82.htm </HtmlFileName>
<LongName> 2466445 - Disclosure - Pension Plans and Post Retirement Benefits (Pension Plans with Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostRetirementBenefitsPensionPlanswithAccumulatedBenefitObligationsinExcessofFairValueofPlanAssetsDetails </Role>
<ShortName> Pension Plans and Post Retirement Benefits (Pension Plans with Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 82 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R83.htm </HtmlFileName>
<LongName> 2467446 - Disclosure - Pension Plans and Postretirement Benefits (Estimated Future Benefit Payments) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsEstimatedFutureBenefitPaymentsDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Estimated Future Benefit Payments) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 83 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R84.htm </HtmlFileName>
<LongName> 2468447 - Disclosure - Pension Plans and Postretirement Benefits (Percentage of Plan Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsPercentageofPlanAssetsDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Percentage of Plan Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 84 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R85.htm </HtmlFileName>
<LongName> 2469448 - Disclosure - Pension Plans and Postretirement Benefits (Fair Value) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsFairValueDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Fair Value) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 85 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R86.htm </HtmlFileName>
<LongName> 2470449 - Disclosure - Pension Plans and Postretirement Benefits (Postretirement Benefit cost (income)) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsPostretirementBenefitcostincomeDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Postretirement Benefit cost (income)) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 86 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R87.htm </HtmlFileName>
<LongName> 2471450 - Disclosure - Pension Plans and Postretirement Benefits (Changes in Benefit Obligation) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsChangesinBenefitObligationDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Changes in Benefit Obligation) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 87 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R88.htm </HtmlFileName>
<LongName> 2472451 - Disclosure - Pension Plans and Postretirement Benefits (Postretirement Funded Status) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsPostretirementFundedStatusDetails </Role>
<ShortName> Pension Plans and Postretirement Benefits (Postretirement Funded Status) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/PensionPlansandPostretirementBenefitsTables </ParentRole>
<Position> 88 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R89.htm </HtmlFileName>
<LongName> 2475452 - Disclosure - Business Segments (Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessSegmentsNarrativeDetails </Role>
<ShortName> Business Segments (Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessSegmentsTables </ParentRole>
<Position> 89 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R90.htm </HtmlFileName>
<LongName> 2476453 - Disclosure - Business Segments (Business Segments) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessSegmentsBusinessSegmentsDetails </Role>
<ShortName> Business Segments (Business Segments) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessSegmentsTables </ParentRole>
<Position> 90 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R91.htm </HtmlFileName>
<LongName> 2477454 - Disclosure - Business Segments (Sales and Long-lived Assets) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessSegmentsSalesandLonglivedAssetsDetails </Role>
<ShortName> Business Segments (Sales and Long-lived Assets) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessSegmentsTables </ParentRole>
<Position> 91 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R92.htm </HtmlFileName>
<LongName> 2478455 - Disclosure - Business Segments (Product Lines) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessSegmentsProductLinesDetails </Role>
<ShortName> Business Segments (Product Lines) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/BusinessSegmentsTables </ParentRole>
<Position> 92 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R93.htm </HtmlFileName>
<LongName> 2479456 - Disclosure - Business Segments Business Segments (Disaggregation of Revenue) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/BusinessSegmentsBusinessSegmentsDisaggregationofRevenueDetails </Role>
<ShortName> Business Segments Business Segments (Disaggregation of Revenue) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 93 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R94.htm </HtmlFileName>
<LongName> 2482457 - Disclosure - Lease Commitments (Narrative) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LeaseCommitmentsNarrativeDetails </Role>
<ShortName> Lease Commitments (Narrative) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/LeaseCommitmentsTables </ParentRole>
<Position> 94 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R95.htm </HtmlFileName>
<LongName> 2483458 - Disclosure - Lease Commitments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/LeaseCommitmentsDetails </Role>
<ShortName> Lease Commitments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/LeaseCommitmentsTables </ParentRole>
<Position> 95 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R96.htm </HtmlFileName>
<LongName> 2485459 - Disclosure - Commitments and Contingencies (Details Textual) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/CommitmentsandContingenciesDetailsTextual </Role>
<ShortName> Commitments and Contingencies (Details Textual) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/CommitmentsandContingencies </ParentRole>
<Position> 96 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R97.htm </HtmlFileName>
<LongName> 2487460 - Disclosure - Subsequent Event (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/SubsequentEventDetails </Role>
<ShortName> Subsequent Event (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/SubsequentEvent </ParentRole>
<Position> 97 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R98.htm </HtmlFileName>
<LongName> 2490461 - Disclosure - Quarterly Financial Data (Unaudited) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/QuarterlyFinancialDataUnauditedDetails </Role>
<ShortName> Quarterly Financial Data (Unaudited) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/QuarterlyFinancialDataUnauditedTables </ParentRole>
<Position> 98 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R99.htm </HtmlFileName>
<LongName> 2491462 - Disclosure - Quarterly Financial Data (Unaudited) - Quarterly Financial Data by Segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/QuarterlyFinancialDataUnauditedQuarterlyFinancialDatabySegmentDetails </Role>
<ShortName> Quarterly Financial Data (Unaudited) - Quarterly Financial Data by Segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/QuarterlyFinancialDataUnauditedTables </ParentRole>
<Position> 99 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R100.htm </HtmlFileName>
<LongName> 2493463 - Disclosure - Schedule II Valuation and Qualifying Accounts (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.teledyne.com/role/ScheduleIIValuationandQualifyingAccountsDetails </Role>
<ShortName> Schedule II Valuation and Qualifying Accounts (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.teledyne.com/role/ScheduleIIValuationandQualifyingAccounts </ParentRole>
<Position> 100 </Position>
</Report>
<Report instance="tdy-20191229.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9999.htm </HtmlFileName>
<LongName> Uncategorized Items - tdy-20191229.htm </LongName>
<ReportType> Sheet </ReportType>
<Role> http://xbrl.sec.gov/role/uncategorizedFacts </Role>
<ShortName> Uncategorized Items - tdy-20191229.htm </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 101 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File doctype="10-K" original="tdy-20191229.htm"> tdy-20191229.htm </File>
<File> exhibit10172020termsco.htm </File>
<File> exhibit41-descriptiono.htm </File>
<File> tdy-20191229.xsd </File>
<File> tdy-20191229_cal.xml </File>
<File> tdy-20191229_def.xml </File>
<File> tdy-20191229_lab.xml </File>
<File> tdy-20191229_pre.xml </File>
<File> tdy-ex21subsidiariesof.htm </File>
<File> tdy-ex231consentofdelo.htm </File>
<File> tdy-ex241powerofattorn.htm </File>
<File> tdy-ex31120191229xq4xng.htm </File>
<File> tdy-ex31220191229xq4xng.htm </File>
<File> tdy-ex32120191229xq4xng.htm </File>
<File> tdy-ex32220191229xq4xng.htm </File>
</InputFiles>
<SupplementalFiles/>
<BaseTaxonomies>
<BaseTaxonomy> http://xbrl.sec.gov/country/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/us-gaap/2019-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/dei/2019-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/srt/2019-01-31 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>


4 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/23/24  Teledyne Technologies Inc.        10-K       12/31/23  122:15M
 2/24/23  Teledyne Technologies Inc.        10-K        1/01/23  120:17M
 2/25/22  Teledyne Technologies Inc.        10-K        1/02/22  113:18M
 2/26/21  Teledyne Technologies Inc.        10-K        1/03/21  119:19M
Top
Filing Submission 0001094285-20-000045   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Tue., May 14, 3:48:12.1am ET