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

Bristow Group Inc – ‘10-Q’ for 12/31/18 – ‘XML’

On:  Wednesday, 6/19/19, at 7:24am ET   ·   For:  12/31/18   ·   Accession #:  73887-19-40   ·   File #:  1-31617

Previous ‘10-Q’:  ‘10-Q/A’ on 6/19/19 for 9/30/18   ·   Next:  ‘10-Q’ on 12/27/19 for 6/30/19   ·   Latest:  ‘10-Q’ on 12/27/19 for 9/30/19

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

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

 6/19/19  Bristow Group Inc                 10-Q       12/31/18  102:21M

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.82M 
 2: EX-4.2      Instrument Defining the Rights of Security Holders  HTML     88K 
 3: EX-31.1     Certification -- §302 - SOA'02                      HTML     38K 
 4: EX-31.2     Certification -- §302 - SOA'02                      HTML     38K 
 5: EX-32.1     Certification -- §906 - SOA'02                      HTML     33K 
 6: EX-32.2     Certification -- §906 - SOA'02                      HTML     33K 
13: R1          Document and Entity Information                     HTML     57K 
14: R2          Condensed Consolidated Statements of Operations     HTML    103K 
15: R3          Condensed Consolidated Statements of Comprehensive  HTML     66K 
                Loss                                                             
16: R4          Condensed Conslidated Statements of Comprehensive   HTML     37K 
                Loss (Parenthetical)                                             
17: R5          Condensed Consolidated Balance Sheets               HTML    158K 
18: R6          Condensed Consolidated Balance Sheets               HTML     42K 
                (Parenthetical)                                                  
19: R7          Condensed Consolidated Statements of Cash Flows     HTML    132K 
20: R8          Condensed Consolidated Statements of Changes in     HTML    129K 
                Equity and Redeemable Noncontrolling Interest                    
21: R9          Condensed Consolidated Statements of Changes in     HTML     32K 
                Equity and Redeemable Noncontrolling Interest                    
                (Parenthetical)                                                  
22: R10         Basis of Presentation, Consolidation and Summary    HTML    365K 
                of Significant Accounting Policies                               
23: R11         Acquisition and Disposition                         HTML     37K 
24: R12         Revenue Recognition                                 HTML    123K 
25: R13         Variable Interest Entities                          HTML    110K 
26: R14         Debt                                                HTML    129K 
27: R15         Fair Value Disclosures                              HTML    159K 
28: R16         Derivative Financial Instruments                    HTML     82K 
29: R17         Commitments and Contingencies                       HTML    156K 
30: R18         Taxes                                               HTML     41K 
31: R19         Employee Benefit Plans                              HTML     75K 
32: R20         Earnings Per Share and Accumulated Other            HTML    124K 
                Comprehensive Income                                             
33: R21         Segment Information                                 HTML    200K 
34: R22         Supplemental Condensed Consolidating Financial      HTML   1.00M 
                Information                                                      
35: R23         Basis of Presentation, Consolidation and Summary    HTML     55K 
                of Significant Accounting Policies (Policies)                    
36: R24         Revenue Recognition (Policies)                      HTML     45K 
37: R25         Derivative Financial Instruments (Policies)         HTML     38K 
38: R26         Basis of Presentation, Consolidation and Summary    HTML    323K 
                of Significant Accounting Policies (Tables)                      
39: R27         Revenue Recognition (Tables)                        HTML    103K 
40: R28         Variable Interest Entities (Tables)                 HTML     87K 
41: R29         Debt (Tables)                                       HTML     87K 
42: R30         Fair Value Disclosures (Tables)                     HTML    156K 
43: R31         Derivative Financial Instruments (Tables)           HTML     80K 
44: R32         Commitments and Contingencies (Tables)              HTML    125K 
45: R33         Employee Benefit Plans (Tables)                     HTML     61K 
46: R34         Earnings Per Share and Accumulated Other            HTML    130K 
                Comprehensive Income (Tables)                                    
47: R35         Segment Information (Tables)                        HTML    203K 
48: R36         Supplemental Condensed Consolidating Financial      HTML   1.00M 
                Information (Tables)                                             
49: R37         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     66K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Loss on                     
                impairment (Details)                                             
50: R38         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     85K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Foreign                     
                Currency Exposure (Details)                                      
51: R39         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     36K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Foreign                     
                Currency Narrative (Details)                                     
52: R40         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     46K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Impact of                   
                Brazilian Real to U.S. Dollar Exchange Rate                      
                (Details)                                                        
53: R41         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     79K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Impact of                   
                Changes in Foreign Currency Exchange Rate                        
                (Details)                                                        
54: R42         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     38K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Interest                    
                Expense (Details)                                                
55: R43         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML    160K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Narrative                   
                (Details)                                                        
56: R44         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     47K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of                 
                Goodwill (Details)                                               
57: R45         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     68K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Other                       
                Intangible Assets (Details)                                      
58: R46         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     46K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Future                      
                Amortization Expense (Details)                                   
59: R47         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     44K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Property and                
                Equipment (Details)                                              
60: R48         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     64K 
                OF SIGNIFICANT ACCOUNTING POLICIES - Property and                
                Equipment Disposed of and Impairments (Details)                  
61: R49         BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY    HTML     48K 
                OF SIGNIFICANT ACCOUNTING POLICIES Other accrued                 
                liabilities (Details)                                            
62: R50         Acquisition and Disposition (Details)               HTML     38K 
63: R51         REVENUE RECOGNITION Revenue Recognition Narrative   HTML     38K 
                (Details)                                                        
64: R52         REVENUE RECOGNITION Contract Assets, Liabilities    HTML     47K 
                and Receivables (Details)                                        
65: R53         REVENUE RECOGNITION Revenue recognition adoption    HTML     66K 
                impact (Details)                                                 
66: R54         REVENUE RECOGNITION Remaining Performance           HTML     55K 
                Obligations (Details)                                            
67: R55         VARIABLE INTEREST ENTITIES - Narrative (Details)    HTML    106K 
68: R56         VARIABLE INTEREST ENTITIES - Balance Sheets of      HTML     99K 
                VIEs (Details)                                                   
69: R57         VARIABLE INTEREST ENTITIES - Statements of          HTML     44K 
                Operations of VIEs (Details)                                     
70: R58         DEBT - Schedule of Debt (Details)                   HTML     67K 
71: R59         DEBT - Narrative (Details)                          HTML    107K 
72: R60         DEBT Schedules of convertible debt (Details)        HTML     59K 
73: R61         FAIR VALUE DISCLOSURES - Assets At Fair Value On A  HTML     50K 
                Recurring Basis (Details)                                        
74: R62         FAIR VALUE DISCLOSURES - Assets at Fair Value On A  HTML     75K 
                Non-recurring Basis (Details)                                    
75: R63         FAIR VALUE DISCLOSURES - Narrative (Details)        HTML     38K 
76: R64         FAIR VALUE DISCLOSURES - Fair Value of Debt         HTML     64K 
                (Details)                                                        
77: R65         DERIVATIVE FINANCIAL INSTRUMENTS Narrative          HTML     36K 
                (Details)                                                        
78: R66         DERIVATIVE FINANCIAL INSTRUMENTS Fair Value         HTML     51K 
                Derivative Instruments Table (Details)                           
79: R67         DERIVATIVE FINANCIAL INSTRUMENTS Derivative AOCI    HTML     38K 
                Table (Details)                                                  
80: R68         COMMITMENTS AND CONTINGENCIES - Purchase            HTML     66K 
                Commitment Narrative (Details)                                   
81: R69         COMMITMENTS AND CONTINGENCIES - Schedule of         HTML    109K 
                Purchase Commitment and Commitment Expenditures                  
                (Details)                                                        
82: R70         COMMITMENTS AND CONTINGENCIES - Operating Leases    HTML     77K 
                (Details)                                                        
83: R71         COMMITMENTS AND CONTINGENCIES - Separation          HTML     40K 
                Programs (Details)                                               
84: R72         COMMITMENTS AND CONTINGENCIES - Environmental       HTML     96K 
                Contingencies, Other Purchase Obligations and                    
                Other Matters (Details)                                          
85: R73         Taxes (Details)                                     HTML     42K 
86: R74         EMPLOYEE BENEFIT PLANS - Components of Net          HTML     46K 
                Periodic Pension Cost (Details)                                  
87: R75         EMPLOYEE BENEFIT PLANS - Pension Plans Narrative    HTML     43K 
                (Details)                                                        
88: R76         EMPLOYEE BENEFIT PLANS - Incentive Compensations    HTML     67K 
                Narrative (Details)                                              
89: R77         EMPLOYEE BENEFIT PLANS - Assumptions Used for       HTML     45K 
                Stock Options Granted (Details)                                  
90: R78         EARNINGS PER SHARE AND ACCUMULATED OTHER            HTML     41K 
                COMPREHENSIVE INCOME - Antidilutive Securities                   
                Excluded from EPS Calculation (Details)                          
91: R79         EARNINGS PER SHARE AND ACCUMULATED OTHER            HTML     75K 
                COMPREHENSIVE INCOME - Computation of Basic and                  
                Diluted EPS (Details)                                            
92: R80         EARNINGS PER SHARE AND ACCUMULATED OTHER            HTML     74K 
                COMPREHENSIVE INCOME - Accumulated Other                         
                Comprehensive Income (Details)                                   
93: R81         SEGMENT INFORMATION - Narrative (Details)           HTML     35K 
94: R82         SEGMENT INFORMATION - Revenue by Segment (Details)  HTML     68K 
95: R83         SEGMENT INFORMATION - Operating Performance and     HTML     86K 
                Total Assets by Segment (Details)                                
96: R84         SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL      HTML    133K 
                INFORMATION - Statement of Operations (Details)                  
97: R85         SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL      HTML     89K 
                INFORMATION - Statement of Comprehensive Income                  
                (Loss) (Details)                                                 
98: R86         SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL      HTML    231K 
                INFORMATION - Balance Sheets (Details)                           
99: R87         SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL      HTML    128K 
                INFORMATION - Statements of Cash Flows (Details)                 
101: XML         IDEA XML File -- Filing Summary                      XML    192K  
100: EXCEL       IDEA Workbook of Financial Reports                  XLSX    161K  
 7: EX-101.INS  XBRL Instance -- brs-20181231                        XML   7.72M 
 9: EX-101.CAL  XBRL Calculations -- brs-20181231_cal                XML    404K 
10: EX-101.DEF  XBRL Definitions -- brs-20181231_def                 XML   1.25M 
11: EX-101.LAB  XBRL Labels -- brs-20181231_lab                      XML   2.34M 
12: EX-101.PRE  XBRL Presentations -- brs-20181231_pre               XML   1.62M 
 8: EX-101.SCH  XBRL Schema -- brs-20181231                          XSD    274K 
102: ZIP         XBRL Zipped Folder -- 0000073887-19-000040-xbrl      Zip    497K

‘XML’   —   IDEA XML File — Filing Summary

This Document is an IDEA XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.19.2 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 610 </ContextCount>
<ElementCount> 499 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> false </FootnotesReported>
<SegmentCount> 142 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 14 </UnitCount>
<MyReports>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 0001000 - Document - Document and Entity Information </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DocumentAndEntityInformation </Role>
<ShortName> Document and Entity Information </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 1001000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConsolidatedStatementsOfOperations </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 1002000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConsolidatedStatementsOfComprehensiveLoss </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 1002001 - Statement - CONDENSED CONSLIDATED STATEMENTS OF COMPREHENSIVE LOSS (PARENTHETICAL) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConslidatedStatementsOfComprehensiveLossParenthetical </Role>
<ShortName> CONDENSED CONSLIDATED STATEMENTS OF COMPREHENSIVE LOSS (PARENTHETICAL) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 1003000 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConsolidatedBalanceSheets </Role>
<ShortName> CONDENSED CONSOLIDATED BALANCE SHEETS </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 1003501 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConsolidatedBalanceSheetsParenthetical </Role>
<ShortName> CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 1004000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConsolidatedStatementsOfCashFlows </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 1005000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTEREST </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConsolidatedStatementsOfChangesInEquityAndRedeemableNoncontrollingInterest </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTEREST </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 1005001 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTEREST (PARENTHETICAL) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CondensedConsolidatedStatementsOfChangesInEquityAndRedeemableNoncontrollingInterestParenthetical </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND REDEEMABLE NONCONTROLLING INTEREST (PARENTHETICAL) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 2101100 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPolicies </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 2102100 - Disclosure - ACQUISITION AND DISPOSITION </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/AcquisitionAndDisposition </Role>
<ShortName> ACQUISITION AND DISPOSITION </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 2103100 - Disclosure - REVENUE RECOGNITION </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/RevenueRecognition </Role>
<ShortName> REVENUE RECOGNITION </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 2105100 - Disclosure - VARIABLE INTEREST ENTITIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/VariableInterestEntities </Role>
<ShortName> VARIABLE INTEREST ENTITIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 2107100 - Disclosure - DEBT </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/Debt </Role>
<ShortName> DEBT </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 2108100 - Disclosure - FAIR VALUE DISCLOSURES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/FairValueDisclosures </Role>
<ShortName> FAIR VALUE DISCLOSURES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 2109100 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DerivativeFinancialInstruments </Role>
<ShortName> DERIVATIVE FINANCIAL INSTRUMENTS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 2110100 - Disclosure - COMMITMENTS AND CONTINGENCIES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CommitmentsAndContingencies </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 2111100 - Disclosure - TAXES </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/Taxes </Role>
<ShortName> TAXES </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 2112100 - Disclosure - EMPLOYEE BENEFIT PLANS </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EmployeeBenefitPlans </Role>
<ShortName> EMPLOYEE BENEFIT PLANS </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 2113100 - Disclosure - EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EarningsPerShareAndAccumulatedOtherComprehensiveIncome </Role>
<ShortName> EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 2114100 - Disclosure - SEGMENT INFORMATION </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SegmentInformation </Role>
<ShortName> SEGMENT INFORMATION </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 2115100 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SupplementalCondensedConsolidatingFinancialInformation </Role>
<ShortName> SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 2201201 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesPolicies </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 2203201 - Disclosure - REVENUE RECOGNITION (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/RevenueRecognitionPolicies </Role>
<ShortName> REVENUE RECOGNITION (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 2209201 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DerivativeFinancialInstrumentsPolicies </Role>
<ShortName> DERIVATIVE FINANCIAL INSTRUMENTS (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<Position> 25 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 2301302 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesTables </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPolicies </ParentRole>
<Position> 26 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 2303302 - Disclosure - REVENUE RECOGNITION (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/RevenueRecognitionTables </Role>
<ShortName> REVENUE RECOGNITION (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/RevenueRecognition </ParentRole>
<Position> 27 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 2305301 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/VariableInterestEntitiesTables </Role>
<ShortName> VARIABLE INTEREST ENTITIES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/VariableInterestEntities </ParentRole>
<Position> 28 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 2307301 - Disclosure - DEBT (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DebtTables </Role>
<ShortName> DEBT (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/Debt </ParentRole>
<Position> 29 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 2308301 - Disclosure - FAIR VALUE DISCLOSURES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/FairValueDisclosuresTables </Role>
<ShortName> FAIR VALUE DISCLOSURES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/FairValueDisclosures </ParentRole>
<Position> 30 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 2309302 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DerivativeFinancialInstrumentsTables </Role>
<ShortName> DERIVATIVE FINANCIAL INSTRUMENTS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/DerivativeFinancialInstruments </ParentRole>
<Position> 31 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 2310301 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CommitmentsAndContingenciesTables </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/CommitmentsAndContingencies </ParentRole>
<Position> 32 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 2312301 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EmployeeBenefitPlansTables </Role>
<ShortName> EMPLOYEE BENEFIT PLANS (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/EmployeeBenefitPlans </ParentRole>
<Position> 33 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 2313301 - Disclosure - EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EarningsPerShareAndAccumulatedOtherComprehensiveIncomeTables </Role>
<ShortName> EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/EarningsPerShareAndAccumulatedOtherComprehensiveIncome </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 2314301 - Disclosure - SEGMENT INFORMATION (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SegmentInformationTables </Role>
<ShortName> SEGMENT INFORMATION (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/SegmentInformation </ParentRole>
<Position> 35 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 2315301 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SupplementalCondensedConsolidatingFinancialInformationTables </Role>
<ShortName> SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/SupplementalCondensedConsolidatingFinancialInformation </ParentRole>
<Position> 36 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 2401403 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Loss on impairment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesLossOnImpairmentDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Loss on impairment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 37 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 2401404 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign Currency Exposure (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesForeignCurrencyExposureDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign Currency Exposure (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 38 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 2401405 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign Currency Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesForeignCurrencyNarrativeDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign Currency Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 39 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 2401406 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Brazilian Real to U.S. Dollar Exchange Rate (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesImpactOfBrazilianRealToUSDollarExchangeRateDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Brazilian Real to U.S. Dollar Exchange Rate (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 40 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 2401407 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Changes in Foreign Currency Exchange Rate (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesImpactOfChangesInForeignCurrencyExchangeRateDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Changes in Foreign Currency Exchange Rate (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 41 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 2401408 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Interest Expense (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesInterestExpenseDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Interest Expense (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 42 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 2401409 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesNarrativeDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesTables </ParentRole>
<Position> 43 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 2401410 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Goodwill (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesScheduleOfGoodwillDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Goodwill (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 44 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 2401411 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Intangible Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesOtherIntangibleAssetsDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Intangible Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 45 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 2401412 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Future Amortization Expense (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesFutureAmortizationExpenseDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Future Amortization Expense (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 46 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 2401413 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesPropertyAndEquipmentDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 47 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 2401414 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment Disposed of and Impairments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesPropertyAndEquipmentDisposedOfAndImpairmentsDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment Disposed of and Impairments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 48 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 2401415 - Disclosure - BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Other accrued liabilities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/BasisOfPresentationConsolidationAndSummaryOfSignificantAccountingPoliciesOtherAccruedLiabilitiesDetails </Role>
<ShortName> BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Other accrued liabilities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 49 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 2402401 - Disclosure - ACQUISITION AND DISPOSITION (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/AcquisitionAndDispositionDetails </Role>
<ShortName> ACQUISITION AND DISPOSITION (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/AcquisitionAndDisposition </ParentRole>
<Position> 50 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 2403403 - Disclosure - REVENUE RECOGNITION Revenue Recognition Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/RevenueRecognitionRevenueRecognitionNarrativeDetails </Role>
<ShortName> REVENUE RECOGNITION Revenue Recognition Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 51 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 2403404 - Disclosure - REVENUE RECOGNITION Contract Assets, Liabilities and Receivables (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/RevenueRecognitionContractAssetsLiabilitiesAndReceivablesDetails </Role>
<ShortName> REVENUE RECOGNITION Contract Assets, Liabilities and Receivables (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 52 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 2403405 - Disclosure - REVENUE RECOGNITION Revenue recognition adoption impact (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/RevenueRecognitionRevenueRecognitionAdoptionImpactDetails </Role>
<ShortName> REVENUE RECOGNITION Revenue recognition adoption impact (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 53 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 2403406 - Disclosure - REVENUE RECOGNITION Remaining Performance Obligations (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/RevenueRecognitionRemainingPerformanceObligationsDetails </Role>
<ShortName> REVENUE RECOGNITION Remaining Performance Obligations (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 54 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 2405402 - Disclosure - VARIABLE INTEREST ENTITIES - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/VariableInterestEntitiesNarrativeDetails </Role>
<ShortName> VARIABLE INTEREST ENTITIES - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 55 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 2405403 - Disclosure - VARIABLE INTEREST ENTITIES - Balance Sheets of VIEs (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/VariableInterestEntitiesBalanceSheetsOfViesDetails </Role>
<ShortName> VARIABLE INTEREST ENTITIES - Balance Sheets of VIEs (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 56 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 2405404 - Disclosure - VARIABLE INTEREST ENTITIES - Statements of Operations of VIEs (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/VariableInterestEntitiesStatementsOfOperationsOfViesDetails </Role>
<ShortName> VARIABLE INTEREST ENTITIES - Statements of Operations of VIEs (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 57 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 2407402 - Disclosure - DEBT - Schedule of Debt (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DebtScheduleOfDebtDetails </Role>
<ShortName> DEBT - Schedule of Debt (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 58 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 2407403 - Disclosure - DEBT - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DebtNarrativeDetails </Role>
<ShortName> DEBT - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 59 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 2407404 - Disclosure - DEBT Schedules of convertible debt (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DebtSchedulesOfConvertibleDebtDetails </Role>
<ShortName> DEBT Schedules of convertible debt (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 60 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 2408402 - Disclosure - FAIR VALUE DISCLOSURES - Assets At Fair Value On A Recurring Basis (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/FairValueDisclosuresAssetsAtFairValueOnRecurringBasisDetails </Role>
<ShortName> FAIR VALUE DISCLOSURES - Assets At Fair Value On A Recurring Basis (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 61 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 2408403 - Disclosure - FAIR VALUE DISCLOSURES - Assets at Fair Value On A Non-recurring Basis (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/FairValueDisclosuresAssetsAtFairValueOnNonRecurringBasisDetails </Role>
<ShortName> FAIR VALUE DISCLOSURES - Assets at Fair Value On A Non-recurring Basis (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 62 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 2408404 - Disclosure - FAIR VALUE DISCLOSURES - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/FairValueDisclosuresNarrativeDetails </Role>
<ShortName> FAIR VALUE DISCLOSURES - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 63 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 2408405 - Disclosure - FAIR VALUE DISCLOSURES - Fair Value of Debt (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/FairValueDisclosuresFairValueOfDebtDetails </Role>
<ShortName> FAIR VALUE DISCLOSURES - Fair Value of Debt (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 64 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 2409403 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DerivativeFinancialInstrumentsNarrativeDetails </Role>
<ShortName> DERIVATIVE FINANCIAL INSTRUMENTS Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 65 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 2409404 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS Fair Value Derivative Instruments Table (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DerivativeFinancialInstrumentsFairValueDerivativeInstrumentsTableDetails </Role>
<ShortName> DERIVATIVE FINANCIAL INSTRUMENTS Fair Value Derivative Instruments Table (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 66 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 2409405 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS Derivative AOCI Table (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/DerivativeFinancialInstrumentsDerivativeAociTableDetails </Role>
<ShortName> DERIVATIVE FINANCIAL INSTRUMENTS Derivative AOCI Table (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 67 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 2410402 - Disclosure - COMMITMENTS AND CONTINGENCIES - Purchase Commitment Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CommitmentsAndContingenciesPurchaseCommitmentNarrativeDetails </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES - Purchase Commitment Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 68 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 2410403 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Purchase Commitment and Commitment Expenditures (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CommitmentsAndContingenciesScheduleOfPurchaseCommitmentAndCommitmentExpendituresDetails </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES - Schedule of Purchase Commitment and Commitment Expenditures (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 69 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 2410404 - Disclosure - COMMITMENTS AND CONTINGENCIES - Operating Leases (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CommitmentsAndContingenciesOperatingLeasesDetails </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES - Operating Leases (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 70 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 2410405 - Disclosure - COMMITMENTS AND CONTINGENCIES - Separation Programs (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CommitmentsAndContingenciesSeparationProgramsDetails </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES - Separation Programs (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 71 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 2410406 - Disclosure - COMMITMENTS AND CONTINGENCIES - Environmental Contingencies, Other Purchase Obligations and Other Matters (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/CommitmentsAndContingenciesEnvironmentalContingenciesOtherPurchaseObligationsAndOtherMattersDetails </Role>
<ShortName> COMMITMENTS AND CONTINGENCIES - Environmental Contingencies, Other Purchase Obligations and Other Matters (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 72 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 2411401 - Disclosure - TAXES (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/TaxesDetails </Role>
<ShortName> TAXES (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.bristowgroup.com/role/Taxes </ParentRole>
<Position> 73 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 2412402 - Disclosure - EMPLOYEE BENEFIT PLANS - Components of Net Periodic Pension Cost (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EmployeeBenefitPlansComponentsOfNetPeriodicPensionCostDetails </Role>
<ShortName> EMPLOYEE BENEFIT PLANS - Components of Net Periodic Pension Cost (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 74 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 2412403 - Disclosure - EMPLOYEE BENEFIT PLANS - Pension Plans Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EmployeeBenefitPlansPensionPlansNarrativeDetails </Role>
<ShortName> EMPLOYEE BENEFIT PLANS - Pension Plans Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 75 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R76.htm </HtmlFileName>
<LongName> 2412404 - Disclosure - EMPLOYEE BENEFIT PLANS - Incentive Compensations Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EmployeeBenefitPlansIncentiveCompensationsNarrativeDetails </Role>
<ShortName> EMPLOYEE BENEFIT PLANS - Incentive Compensations Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 76 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R77.htm </HtmlFileName>
<LongName> 2412405 - Disclosure - EMPLOYEE BENEFIT PLANS - Assumptions Used for Stock Options Granted (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EmployeeBenefitPlansAssumptionsUsedForStockOptionsGrantedDetails </Role>
<ShortName> EMPLOYEE BENEFIT PLANS - Assumptions Used for Stock Options Granted (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 77 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R78.htm </HtmlFileName>
<LongName> 2413402 - Disclosure - EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Antidilutive Securities Excluded from EPS Calculation (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EarningsPerShareAndAccumulatedOtherComprehensiveIncomeAntidilutiveSecuritiesExcludedFromEpsCalculationDetails </Role>
<ShortName> EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Antidilutive Securities Excluded from EPS Calculation (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 78 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R79.htm </HtmlFileName>
<LongName> 2413403 - Disclosure - EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Computation of Basic and Diluted EPS (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EarningsPerShareAndAccumulatedOtherComprehensiveIncomeComputationOfBasicAndDilutedEpsDetails </Role>
<ShortName> EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Computation of Basic and Diluted EPS (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 79 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R80.htm </HtmlFileName>
<LongName> 2413404 - Disclosure - EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Accumulated Other Comprehensive Income (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/EarningsPerShareAndAccumulatedOtherComprehensiveIncomeAccumulatedOtherComprehensiveIncomeDetails </Role>
<ShortName> EARNINGS PER SHARE AND ACCUMULATED OTHER COMPREHENSIVE INCOME - Accumulated Other Comprehensive Income (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 80 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R81.htm </HtmlFileName>
<LongName> 2414402 - Disclosure - SEGMENT INFORMATION - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SegmentInformationNarrativeDetails </Role>
<ShortName> SEGMENT INFORMATION - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 81 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R82.htm </HtmlFileName>
<LongName> 2414403 - Disclosure - SEGMENT INFORMATION - Revenue by Segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SegmentInformationRevenueBySegmentDetails </Role>
<ShortName> SEGMENT INFORMATION - Revenue by Segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 82 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R83.htm </HtmlFileName>
<LongName> 2414404 - Disclosure - SEGMENT INFORMATION - Operating Performance and Total Assets by Segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SegmentInformationOperatingPerformanceAndTotalAssetsBySegmentDetails </Role>
<ShortName> SEGMENT INFORMATION - Operating Performance and Total Assets by Segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 83 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R84.htm </HtmlFileName>
<LongName> 2415402 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Statement of Operations (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SupplementalCondensedConsolidatingFinancialInformationStatementOfOperationsDetails </Role>
<ShortName> SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Statement of Operations (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 84 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R85.htm </HtmlFileName>
<LongName> 2415403 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Statement of Comprehensive Income (Loss) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SupplementalCondensedConsolidatingFinancialInformationStatementOfComprehensiveIncomeLossDetails </Role>
<ShortName> SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Statement of Comprehensive Income (Loss) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 85 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R86.htm </HtmlFileName>
<LongName> 2415404 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Balance Sheets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SupplementalCondensedConsolidatingFinancialInformationBalanceSheetsDetails </Role>
<ShortName> SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Balance Sheets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 86 </Position>
</Report>
<Report instance="brs-20181231.xml">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R87.htm </HtmlFileName>
<LongName> 2415405 - Disclosure - SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Statements of Cash Flows (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.bristowgroup.com/role/SupplementalCondensedConsolidatingFinancialInformationStatementsOfCashFlowsDetails </Role>
<ShortName> SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Statements of Cash Flows (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 87 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File> brs-20181231.xml </File>
<File> brs-20181231.xsd </File>
<File> brs-20181231_cal.xml </File>
<File> brs-20181231_def.xml </File>
<File> brs-20181231_lab.xml </File>
<File> brs-20181231_pre.xml </File>
</InputFiles>
<SupplementalFiles/>
<BaseTaxonomies>
<BaseTaxonomy> http://fasb.org/srt/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/us-gaap/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/dei/2018-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/invest/2013-01-31 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>

↑Top
Filing Submission 0000073887-19-000040   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Fri., May 17, 10:52:55.1am ET