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

Interface Inc. – ‘10-Q’ for 7/5/20 – ‘XML’

On:  Tuesday, 8/11/20, at 4:57pm ET   ·   For:  7/5/20   ·   Accession #:  715787-20-50   ·   File #:  1-33994

Previous ‘10-Q’:  ‘10-Q’ on 5/12/20 for 4/5/20   ·   Next:  ‘10-Q’ on 11/9/20 for 10/4/20   ·   Latest:  ‘10-Q’ on 11/7/23 for 10/1/23   ·   7 References:   

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

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

 8/11/20  Interface Inc.                    10-Q        7/05/20   83:8.7M

Quarterly Report   —   Form 10-Q
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    891K 
 2: EX-10.1     Material Contract                                   HTML     27K 
 3: EX-31.1     Certification -- §302 - SOA'02                      HTML     28K 
 4: EX-31.2     Certification -- §302 - SOA'02                      HTML     28K 
 5: EX-32.1     Certification -- §906 - SOA'02                      HTML     23K 
 6: EX-32.2     Certification -- §906 - SOA'02                      HTML     23K 
13: R1          Document And Entity Information                     HTML     74K 
14: R2          Consolidated Condensed Balance Sheets (Current      HTML    103K 
                Period Unaudited)                                                
15: R3          Consolidated Condensed Statements of Operations     HTML     67K 
                (Unaudited)                                                      
16: R4          Consolidated Statements of Comprehensive Loss       HTML     38K 
                (Unaudited)                                                      
17: R5          Consolidated Condensed Statements of Cash Flows     HTML     94K 
                (Unaudited)                                                      
18: R6          Summary of Significant Accounting Policies          HTML     62K 
19: R7          Revenue Recognition                                 HTML     28K 
20: R8          Inventories                                         HTML     31K 
21: R9          Earnings Per Share                                  HTML     88K 
22: R10         Long-term Debt                                      HTML     32K 
23: R11         Derivative Instruments                              HTML     90K 
24: R12         Shareholders' Equity                                HTML    258K 
25: R13         Leases                                              HTML    226K 
26: R14         Employee Benefit Plans                              HTML     77K 
27: R15         Goodwill and Intangible Assets (Notes)              HTML     38K 
28: R16         Segment Information                                 HTML     90K 
29: R17         Supplemental Cash Flow Information Supplemental     HTML     26K 
                Cash Flow Information                                            
30: R18         Income Taxes Income Taxes                           HTML     29K 
31: R19         Items Reclassified From Other Comprehensive Income  HTML     46K 
32: R20         Restructuring Charges                               HTML     55K 
33: R21         Subsequent Events                                   HTML     26K 
34: R22         Significant Accounting Policies (Policies)          HTML     39K 
35: R23         Summary of Significant Accounting Policies          HTML     49K 
                Reclassifications (Tables)                                       
36: R24         Revenue Recognition (Tables)                        HTML     27K 
37: R25         Inventories (Tables)                                HTML     32K 
38: R26         Earnings Per Share (Tables)                         HTML     87K 
39: R27         Derivative Instruments (Tables)                     HTML     89K 
40: R28         Shareholders' Equity (Tables)                       HTML    251K 
41: R29         Leases (Tables)                                     HTML    143K 
42: R30         Employee Benefit Plans (Tables)                     HTML     75K 
43: R31         Goodwill and Intangible Assets (Tables)             HTML     33K 
44: R32         Segment Information (Tables)                        HTML     98K 
45: R33         Items Reclassified From Accumulated Other           HTML     46K 
                Comprehensive Loss Comprehensive income (Tables)                 
46: R34         Restructuring Charges (Tables)                      HTML     51K 
47: R35         Summary of Significant Accounting Policies -        HTML     37K 
                Narrative (Details)                                              
48: R36         Revenue Recognition - Narrative (Details)           HTML     25K 
49: R37         Revenue Recognition - Disaggregation of Revenue     HTML     26K 
                (Details)                                                        
50: R38         Inventories (Details)                               HTML     31K 
51: R39         Earnings Per Share - Distributed and Undistributed  HTML     45K 
                Earnings (Details)                                               
52: R40         Earnings Per Share - Calculation of Income (Loss)   HTML     40K 
                Per Shares (Details)                                             
53: R41         Earnings Per Share - Narrative (Details)            HTML     24K 
54: R42         Long-term Debt - Narrative (Details)                HTML     51K 
55: R43         Derivative Instruments - Narrative (Details)        HTML     32K 
56: R44         Derivative Instruments - Fair Value of Derivative   HTML     41K 
                Instruments (Details)                                            
57: R45         Derivative Instruments - Cash Flow Hedges Included  HTML     35K 
                in Accumulated Other Comprehensive Income (Loss)                 
                (Details)                                                        
58: R46         Derivative Instruments Derivatives Not Designated   HTML     28K 
                as Hedging Instruments (Details)                                 
59: R47         Shareholders' Equity - Activity in Shareholders'    HTML     90K 
                Equity (Details)                                                 
60: R48         Shareholders' Equity - Narrative (Details)          HTML     75K 
61: R49         Shareholders' Equity - Restricted Stock             HTML     46K 
                Outstanding (Details)                                            
62: R50         Shareholders' Equity - Performance Shares           HTML     46K 
                Outstanding (Details)                                            
63: R51         Leases - Narrative (Details)                        HTML     28K 
64: R52         Leases - Balance Sheet Information (Details)        HTML     38K 
65: R53         Leases - Lease Costs (Details)                      HTML     59K 
66: R54         Leases - Maturity of Lease Payments (Details)       HTML     61K 
67: R55         Employee Benefit Plans - Net Periodic Benefit Cost  HTML     51K 
                (Details)                                                        
68: R56         Goodwill and Intangible Assets (Details)            HTML     44K 
69: R57         Goodwill and Intangible Assets Intangible Assets    HTML     26K 
                (Details)                                                        
70: R58         Segment Information - Narrative (Details)           HTML     25K 
71: R59         Segment Information - Operating Segments (Details)  HTML     43K 
72: R60         Segment Information - Operating Segments            HTML     29K 
                Depreciation, Amortization, and Assets (Details)                 
73: R61         Segment Information - Reconciliation of Segment     HTML     27K 
                Assets (Details)                                                 
74: R62         Supplemental Cash Flow Information (Details)        HTML     26K 
75: R63         Income Taxes - Narrative (Details)                  HTML     45K 
76: R64         Items Reclassified From Accumulated Other           HTML     38K 
                Comprehensive Loss (Details)                                     
77: R65         Restructuring Charges - Narrative (Details)         HTML     51K 
78: R66         Restructuring Charges - Restructuring Activities    HTML     49K 
                (Details)                                                        
79: R67         Subsequent Events (Details)                         HTML     25K 
81: XML         IDEA XML File -- Filing Summary                      XML    146K 
12: XML         XBRL Instance -- tile-202010qq2_htm                  XML   2.58M 
80: EXCEL       IDEA Workbook of Financial Reports                  XLSX     92K 
 8: EX-101.CAL  XBRL Calculations -- tile-20200705_cal               XML    215K 
 9: EX-101.DEF  XBRL Definitions -- tile-20200705_def                XML    520K 
10: EX-101.LAB  XBRL Labels -- tile-20200705_lab                     XML   1.34M 
11: EX-101.PRE  XBRL Presentations -- tile-20200705_pre              XML    854K 
 7: EX-101.SCH  XBRL Schema -- tile-20200705                         XSD    134K 
82: JSON        XBRL Instance as JSON Data -- MetaLinks              315±   461K 
83: ZIP         XBRL Zipped Folder -- 0000715787-20-000050-xbrl      Zip    223K

‘XML’   —   IDEA XML File — Filing Summary

This Document is an IDEA XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.20.2 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 213 </ContextCount>
<ElementCount> 352 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> false </FootnotesReported>
<SegmentCount> 50 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 5 </UnitCount>
<MyReports>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 0001000 - Document - Document And Entity Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/DocumentAndEntityInformation </Role>
<ShortName> Document And Entity Information </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 1001000 - Statement - Consolidated Condensed Balance Sheets (Current Period Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ConsolidatedCondensedBalanceSheetsCurrentPeriodUnaudited </Role>
<ShortName> Consolidated Condensed Balance Sheets (Current Period Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 1002000 - Statement - Consolidated Condensed Statements of Operations (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ConsolidatedCondensedStatementsOfOperationsUnaudited </Role>
<ShortName> Consolidated Condensed Statements of Operations (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 1003000 - Statement - Consolidated Statements of Comprehensive Loss (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ConsolidatedStatementsOfComprehensiveLossUnaudited </Role>
<ShortName> Consolidated Statements of Comprehensive Loss (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 1004000 - Statement - Consolidated Condensed Statements of Cash Flows (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ConsolidatedCondensedStatementsOfCashFlowsUnaudited </Role>
<ShortName> Consolidated Condensed Statements of Cash Flows (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 2101100 - Disclosure - Summary of Significant Accounting Policies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SummaryOfSignificantAccountingPolicies </Role>
<ShortName> Summary of Significant Accounting Policies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 2102100 - Disclosure - Revenue Recognition </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RevenueRecognition </Role>
<ShortName> Revenue Recognition </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 2103100 - Disclosure - Inventories </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/Inventories </Role>
<ShortName> Inventories </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 2104100 - Disclosure - Earnings Per Share </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EarningsPerShare </Role>
<ShortName> Earnings Per Share </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 2105100 - Disclosure - Long-term Debt </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/LongTermDebt </Role>
<ShortName> Long-term Debt </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 2106100 - Disclosure - Derivative Instruments </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/DerivativeInstruments </Role>
<ShortName> Derivative Instruments </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 2107100 - Disclosure - Shareholders' Equity </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ShareholdersEquity </Role>
<ShortName> Shareholders' Equity </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 2108100 - Disclosure - Leases </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/Leases </Role>
<ShortName> Leases </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 2109100 - Disclosure - Employee Benefit Plans </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EmployeeBenefitPlans </Role>
<ShortName> Employee Benefit Plans </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 2110100 - Disclosure - Goodwill and Intangible Assets (Notes) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.interface.com/role/GoodwillAndIntangibleAssetsNotes </Role>
<ShortName> Goodwill and Intangible Assets (Notes) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 2112100 - Disclosure - Segment Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SegmentInformation </Role>
<ShortName> Segment Information </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 2113100 - Disclosure - Supplemental Cash Flow Information Supplemental Cash Flow Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SupplementalCashFlowInformationSupplementalCashFlowInformation </Role>
<ShortName> Supplemental Cash Flow Information Supplemental Cash Flow Information </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 2114100 - Disclosure - Income Taxes Income Taxes </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/IncomeTaxesIncomeTaxes </Role>
<ShortName> Income Taxes Income Taxes </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 2115100 - Disclosure - Items Reclassified From Other Comprehensive Income </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ItemsReclassifiedFromOtherComprehensiveIncome </Role>
<ShortName> Items Reclassified From Other Comprehensive Income </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 2116100 - Disclosure - Restructuring Charges </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RestructuringCharges </Role>
<ShortName> Restructuring Charges </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 2117100 - Disclosure - Subsequent Events </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SubsequentEvents </Role>
<ShortName> Subsequent Events </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 2201201 - Disclosure - Significant Accounting Policies (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SignificantAccountingPoliciesPolicies </Role>
<ShortName> Significant Accounting Policies (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<ParentRole> http://www.interface.com/role/SummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 22 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 2301302 - Disclosure - Summary of Significant Accounting Policies Reclassifications (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SummaryOfSignificantAccountingPoliciesReclassificationsTables </Role>
<ShortName> Summary of Significant Accounting Policies Reclassifications (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 2302301 - Disclosure - Revenue Recognition (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RevenueRecognitionTables </Role>
<ShortName> Revenue Recognition (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/RevenueRecognition </ParentRole>
<Position> 24 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 2303301 - Disclosure - Inventories (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/InventoriesTables </Role>
<ShortName> Inventories (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/Inventories </ParentRole>
<Position> 25 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 2304301 - Disclosure - Earnings Per Share (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EarningsPerShareTables </Role>
<ShortName> Earnings Per Share (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/EarningsPerShare </ParentRole>
<Position> 26 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 2306301 - Disclosure - Derivative Instruments (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/DerivativeInstrumentsTables </Role>
<ShortName> Derivative Instruments (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/DerivativeInstruments </ParentRole>
<Position> 27 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 2307301 - Disclosure - Shareholders' Equity (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ShareholdersEquityTables </Role>
<ShortName> Shareholders' Equity (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/ShareholdersEquity </ParentRole>
<Position> 28 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 2308301 - Disclosure - Leases (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/LeasesTables </Role>
<ShortName> Leases (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/Leases </ParentRole>
<Position> 29 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 2309301 - Disclosure - Employee Benefit Plans (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EmployeeBenefitPlansTables </Role>
<ShortName> Employee Benefit Plans (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/EmployeeBenefitPlans </ParentRole>
<Position> 30 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 2310301 - Disclosure - Goodwill and Intangible Assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/GoodwillAndIntangibleAssetsTables </Role>
<ShortName> Goodwill and Intangible Assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/GoodwillAndIntangibleAssetsNotes </ParentRole>
<Position> 31 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 2312301 - Disclosure - Segment Information (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SegmentInformationTables </Role>
<ShortName> Segment Information (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/SegmentInformation </ParentRole>
<Position> 32 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 2315301 - Disclosure - Items Reclassified From Accumulated Other Comprehensive Loss Comprehensive income (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ItemsReclassifiedFromAccumulatedOtherComprehensiveLossComprehensiveIncomeTables </Role>
<ShortName> Items Reclassified From Accumulated Other Comprehensive Loss Comprehensive income (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<Position> 33 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 2316301 - Disclosure - Restructuring Charges (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RestructuringChargesTables </Role>
<ShortName> Restructuring Charges (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.interface.com/role/RestructuringCharges </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 2401403 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails </Role>
<ShortName> Summary of Significant Accounting Policies - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 35 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 2402402 - Disclosure - Revenue Recognition - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RevenueRecognitionNarrativeDetails </Role>
<ShortName> Revenue Recognition - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 36 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 2402403 - Disclosure - Revenue Recognition - Disaggregation of Revenue (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RevenueRecognitionDisaggregationOfRevenueDetails </Role>
<ShortName> Revenue Recognition - Disaggregation of Revenue (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 37 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 2403402 - Disclosure - Inventories (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/InventoriesDetails </Role>
<ShortName> Inventories (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.interface.com/role/InventoriesTables </ParentRole>
<Position> 38 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 2404402 - Disclosure - Earnings Per Share - Distributed and Undistributed Earnings (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EarningsPerShareDistributedAndUndistributedEarningsDetails </Role>
<ShortName> Earnings Per Share - Distributed and Undistributed Earnings (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 39 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 2404403 - Disclosure - Earnings Per Share - Calculation of Income (Loss) Per Shares (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EarningsPerShareCalculationOfIncomeLossPerSharesDetails </Role>
<ShortName> Earnings Per Share - Calculation of Income (Loss) Per Shares (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 40 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 2404404 - Disclosure - Earnings Per Share - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EarningsPerShareNarrativeDetails </Role>
<ShortName> Earnings Per Share - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 41 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 2405401 - Disclosure - Long-term Debt - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/LongTermDebtNarrativeDetails </Role>
<ShortName> Long-term Debt - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 42 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 2406402 - Disclosure - Derivative Instruments - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/DerivativeInstrumentsNarrativeDetails </Role>
<ShortName> Derivative Instruments - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 43 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 2406403 - Disclosure - Derivative Instruments - Fair Value of Derivative Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/DerivativeInstrumentsFairValueOfDerivativeInstrumentsDetails </Role>
<ShortName> Derivative Instruments - Fair Value of Derivative Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 44 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 2406404 - Disclosure - Derivative Instruments - Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/DerivativeInstrumentsCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossDetails </Role>
<ShortName> Derivative Instruments - Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 45 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 2406405 - Disclosure - Derivative Instruments Derivatives Not Designated as Hedging Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/DerivativeInstrumentsDerivativesNotDesignatedAsHedgingInstrumentsDetails </Role>
<ShortName> Derivative Instruments Derivatives Not Designated as Hedging Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 46 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 2407402 - Disclosure - Shareholders' Equity - Activity in Shareholders' Equity (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ShareholdersEquityActivityInShareholdersEquityDetails </Role>
<ShortName> Shareholders' Equity - Activity in Shareholders' Equity (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 47 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 2407403 - Disclosure - Shareholders' Equity - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ShareholdersEquityNarrativeDetails </Role>
<ShortName> Shareholders' Equity - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 48 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 2407404 - Disclosure - Shareholders' Equity - Restricted Stock Outstanding (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ShareholdersEquityRestrictedStockOutstandingDetails </Role>
<ShortName> Shareholders' Equity - Restricted Stock Outstanding (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 49 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 2407405 - Disclosure - Shareholders' Equity - Performance Shares Outstanding (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ShareholdersEquityPerformanceSharesOutstandingDetails </Role>
<ShortName> Shareholders' Equity - Performance Shares Outstanding (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 50 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 2408402 - Disclosure - Leases - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/LeasesNarrativeDetails </Role>
<ShortName> Leases - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 51 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 2408403 - Disclosure - Leases - Balance Sheet Information (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/LeasesBalanceSheetInformationDetails </Role>
<ShortName> Leases - Balance Sheet Information (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 52 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 2408404 - Disclosure - Leases - Lease Costs (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/LeasesLeaseCostsDetails </Role>
<ShortName> Leases - Lease Costs (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 53 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 2408405 - Disclosure - Leases - Maturity of Lease Payments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/LeasesMaturityOfLeasePaymentsDetails </Role>
<ShortName> Leases - Maturity of Lease Payments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 54 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 2409402 - Disclosure - Employee Benefit Plans - Net Periodic Benefit Cost (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/EmployeeBenefitPlansNetPeriodicBenefitCostDetails </Role>
<ShortName> Employee Benefit Plans - Net Periodic Benefit Cost (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 55 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 2410402 - Disclosure - Goodwill and Intangible Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/GoodwillAndIntangibleAssetsDetails </Role>
<ShortName> Goodwill and Intangible Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.interface.com/role/GoodwillAndIntangibleAssetsTables </ParentRole>
<Position> 56 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 2410403 - Disclosure - Goodwill and Intangible Assets Intangible Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/GoodwillAndIntangibleAssetsIntangibleAssetsDetails </Role>
<ShortName> Goodwill and Intangible Assets Intangible Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 57 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 2412402 - Disclosure - Segment Information - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SegmentInformationNarrativeDetails </Role>
<ShortName> Segment Information - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 58 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 2412403 - Disclosure - Segment Information - Operating Segments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SegmentInformationOperatingSegmentsDetails </Role>
<ShortName> Segment Information - Operating Segments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 59 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 2412404 - Disclosure - Segment Information - Operating Segments Depreciation, Amortization, and Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SegmentInformationOperatingSegmentsDepreciationAmortizationAndAssetsDetails </Role>
<ShortName> Segment Information - Operating Segments Depreciation, Amortization, and Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 60 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 2412405 - Disclosure - Segment Information - Reconciliation of Segment Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SegmentInformationReconciliationOfSegmentAssetsDetails </Role>
<ShortName> Segment Information - Reconciliation of Segment Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 61 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 2413401 - Disclosure - Supplemental Cash Flow Information (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SupplementalCashFlowInformationDetails </Role>
<ShortName> Supplemental Cash Flow Information (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.interface.com/role/SupplementalCashFlowInformationSupplementalCashFlowInformation </ParentRole>
<Position> 62 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 2414401 - Disclosure - Income Taxes - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/IncomeTaxesNarrativeDetails </Role>
<ShortName> Income Taxes - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 63 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 2415402 - Disclosure - Items Reclassified From Accumulated Other Comprehensive Loss (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/ItemsReclassifiedFromAccumulatedOtherComprehensiveLossDetails </Role>
<ShortName> Items Reclassified From Accumulated Other Comprehensive Loss (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.interface.com/role/ItemsReclassifiedFromAccumulatedOtherComprehensiveLossComprehensiveIncomeTables </ParentRole>
<Position> 64 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 2416402 - Disclosure - Restructuring Charges - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RestructuringChargesNarrativeDetails </Role>
<ShortName> Restructuring Charges - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 65 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 2416403 - Disclosure - Restructuring Charges - Restructuring Activities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/RestructuringChargesRestructuringActivitiesDetails </Role>
<ShortName> Restructuring Charges - Restructuring Activities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 66 </Position>
</Report>
<Report instance="tile-202010qq2.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 2417401 - Disclosure - Subsequent Events (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.interface.com/role/SubsequentEventsDetails </Role>
<ShortName> Subsequent Events (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.interface.com/role/SubsequentEvents </ParentRole>
<Position> 67 </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-Q" original="tile-202010qq2.htm"> tile-202010qq2.htm </File>
<File> amendment7to2009restat.htm </File>
<File> tile-20200705.xsd </File>
<File> tile-20200705_cal.xml </File>
<File> tile-20200705_def.xml </File>
<File> tile-20200705_lab.xml </File>
<File> tile-20200705_pre.xml </File>
<File> tile-20200705xexx311.htm </File>
<File> tile-20200705xexx312.htm </File>
<File> tile-20200705xexx321.htm </File>
<File> tile-20200705xexx322.htm </File>
</InputFiles>
<SupplementalFiles/>
<BaseTaxonomies>
<BaseTaxonomy> http://xbrl.sec.gov/country/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/srt/2019-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/dei/2019-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/us-gaap/2019-01-31 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>

5 Subsequent Filings that Reference this Filing

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

 2/28/24  Interface Inc.                    10-K       12/31/23  126:15M
 3/24/23  Interface Inc.                    S-8         3/24/23    5:364K
 3/01/23  Interface Inc.                    10-K        1/01/23  122:16M
 3/02/22  Interface Inc.                    10-K        1/02/22  125:16M
 3/03/21  Interface Inc.                    10-K        1/03/21  132:16M

2 Previous Filings that this Filing References

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

 7/16/20  Interface Inc.                    8-K:1,2,9   7/15/20   13:1.8M
 5/28/20  Interface Inc.                    8-K:5,9     5/22/20   13:300K
↑Top
Filing Submission 0000715787-20-000050   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Mon., Apr. 29, 8:17:13.1am ET