XML 38 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9
DEBT (Details) (USD $)
 12 Months Ended 0 Months Ended 276 Months Ended 12 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Nov. 22, 2010
Dec. 22, 2011
Oct. 12, 2012
Jun. 15, 2038
Mar. 31, 2012
Jun. 15, 2035
Jun. 15, 2030
Jun. 15, 2025
Jun. 15, 2020
Jun. 15, 2015
Apr. 29, 2013
Apr. 17, 2015
Debt Instrument [Line Items]                              
Total debt $ 864,422,000us-gaap_DebtLongtermAndShorttermCombinedAmount $ 841,302,000us-gaap_DebtLongtermAndShorttermCombinedAmount                          
Less short-term borrowings and current maturities of long-term debt (18,730,000)us-gaap_LongTermDebtCurrent (14,207,000)us-gaap_LongTermDebtCurrent                          
Total long-term debt 845,692,000us-gaap_LongTermDebtNoncurrent 827,095,000us-gaap_LongTermDebtNoncurrent                          
Extinguishment of debt (2,591,000)us-gaap_GainsLossesOnExtinguishmentOfDebt 0us-gaap_GainsLossesOnExtinguishmentOfDebt (14,932,000)us-gaap_GainsLossesOnExtinguishmentOfDebt                        
Write off of deferred debt issuance cost 660,000us-gaap_WriteOffOfDeferredDebtIssuanceCost 12,733,000us-gaap_WriteOffOfDeferredDebtIssuanceCost 4,642,000us-gaap_WriteOffOfDeferredDebtIssuanceCost                        
Proceeds from borrowings 454,393,000us-gaap_ProceedsFromIssuanceOfDebt 533,064,000us-gaap_ProceedsFromIssuanceOfDebt 675,449,000us-gaap_ProceedsFromIssuanceOfDebt                        
Interest Paid 38,000,000us-gaap_InterestPaid 38,400,000us-gaap_InterestPaid 25,900,000us-gaap_InterestPaid                        
Capitalized Interest 14,600,000us-gaap_InterestCostsIncurredCapitalized 14,100,000us-gaap_InterestCostsIncurredCapitalized 6,600,000us-gaap_InterestCostsIncurredCapitalized                        
Term Loan And Revolving Credit Facility [Abstract]                              
Percentage Of Domestic Capital Stock Guarantee 100.00%brs_PercentageOfDomesticCapitalStockGuarantee                            
Percentage Of Foreign Capital Stock Guarantee 65.00%brs_PercentageOfForeignCapitalStockGuarantee                            
Conversion Feature [Abstract]                              
Per Principal Amount Of Convertible Debt 1,000brs_PerPrincipalAmountOfConvertibleDebt                            
Balances Of Debt And Equity Components [Abstract]                              
Debt component- unamortized discount (1,300,000)us-gaap_DebtInstrumentUnamortizedDiscount                            
Long Term Convertible Debt Current And Noncurrent [Abstract]                              
Amortization of debt discount 4,323,000us-gaap_AmortizationOfDebtDiscountPremium 3,708,000us-gaap_AmortizationOfDebtDiscountPremium 3,597,000us-gaap_AmortizationOfDebtDiscountPremium                        
Annual Maturities [Abstract]                              
Year 2016 18,730,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths                            
Year 2017 30,945,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo                            
Year 2018 26,480,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree                            
Year 2019 35,994,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour                            
Year 2020 228,755,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive                            
Thereafter 524,853,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive                            
Long-term Debt, Gross 865,757,000us-gaap_DebtInstrumentCarryingAmount                            
Excess Conversion [Member]                              
Conversion Feature [Abstract]                              
Per Principal Amount Of Convertible Debt 1,000brs_PerPrincipalAmountOfConvertibleDebt
/ us-gaap_DebtConversionByUniqueDescriptionAxis
= brs_ExcessConversionMember		                            
Term Loan And Revolving Credit Facility [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount       375,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_TermLoanAndRevolvingCreditFacility1Member		                      
Credit Facility [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount       175,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_CreditFacilityMember		                      
Debt Instrument, Term       5 years                      
Term Loan And Revolving Credit Facility [Abstract]                              
Debt Instrument, Term       5 years                      
Credit Facility [Member] | First Amendment [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount         200,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_AmendedandRestatedCreditFacilityAxis
= brs_FirstAmendmentMember
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_CreditFacilityMember		                    
Credit Facility [Member] | Third Amendment [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount                           350,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_AmendedandRestatedCreditFacilityAxis
= brs_ThirdAmendmentMember
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_CreditFacilityMember		  
Credit Facility [Member] | Fifth Amendment [Member] | Subsequent Event [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount                             400,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_AmendedandRestatedCreditFacilityAxis
= brs_FifthAmendmentMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_CreditFacilityMember
Letters Of Credit [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount       30,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_LettersOfCreditMember		                      
Term Loan And Revolving Credit Facility [Abstract]                              
Letters of Credit Outstanding, Amount 500,000us-gaap_LettersOfCreditOutstandingAmount
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_LettersOfCreditMember		                            
Five Year Term Loan [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount       200,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_FiveYearTermLoanMember		                      
Debt Instrument, Term       5 years                      
Term Loan And Revolving Credit Facility [Abstract]                              
Debt Instrument, Term       5 years                      
Five Year Term Loan [Member] | First Amendment [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount         250,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_AmendedandRestatedCreditFacilityAxis
= brs_FirstAmendmentMember
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_FiveYearTermLoanMember		                    
Proceeds from borrowings         50,000,000us-gaap_ProceedsFromIssuanceOfDebt
/ brs_AmendedandRestatedCreditFacilityAxis
= brs_FirstAmendmentMember
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_FiveYearTermLoanMember		                    
Term Loan And Revolving Credit Facility [Abstract]                              
Debt instrument balloon payment         133,800,000brs_DebtInstrumentBalloonPayment
/ brs_AmendedandRestatedCreditFacilityAxis
= brs_FirstAmendmentMember
/ brs_TermLoanandRevolvingCreditFacilityAxis
= brs_FiveYearTermLoanMember		                    
Senior Notes [Member] | Senior Notes Due 2022 [Member]                              
Debt Instrument [Line Items]                              
Total debt 401,535,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 450,000,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                          
Debt Instrument, Interest Rate, Stated Percentage 6.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                            
Debt Instrument Redemption Price Percentage Of Principal Amount May Redeemed Before First Call Date           0.35brs_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountMayRedeemedBeforeFirstCallDate
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                  
Debt Instrument, Redemption Price, Percentage           106.25%us-gaap_DebtInstrumentRedemptionPricePercentage
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                  
Debt Instrument, Original Principal Remaining Percentage, After First Call Redemption Before First Call Date           65.00%brs_DebtInstrumentOriginalPrincipalRemainingPercentageAfterFirstCallRedemptionBeforeFirstCallDate
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                  
Debt Instrument, Face Amount           450,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                  
Debt Issuance Costs           7,400,000us-gaap_DebtIssuanceCosts
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                  
Debt Instrument, Repurchase Amount 48,500,000us-gaap_DebtInstrumentRepurchaseAmount
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                            
Total consideration paid 52,000,000brs_TotalConsiderationPaid
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                            
Extinguishment of debt (2,591,000)us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                            
Write off of deferred debt issuance cost 700,000us-gaap_WriteOffOfDeferredDebtIssuanceCost
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		                            
Senior Notes [Member] | Senior Notes Due 2022 [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Redemption premium rate 103.75%brs_Redemptionpremiumrate
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		                            
Senior Notes [Member] | Senior Notes Due 2022 [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Redemption premium rate 107.75%brs_Redemptionpremiumrate
/ us-gaap_DebtInstrumentAxis
= brs_SeniorNotesDue2022Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		                            
Term Loan [Member]                              
Debt Instrument [Line Items]                              
Total debt 222,179,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoanMember		 226,604,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoanMember		                          
Repayment of debt 4,500,000us-gaap_RepaymentsOfDebt
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoanMember		                            
Term Loan [Member] | Subsequent Event [Member]                              
Debt Instrument [Line Items]                              
Total debt                             222,600,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoanMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Term Loan [Member] | Fifth Amendment [Member] | Subsequent Event [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount                             350,000,000us-gaap_DebtInstrumentFaceAmount
/ brs_AmendedandRestatedCreditFacilityAxis
= brs_FifthAmendmentMember
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoanMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Convertible Senior Notes Due 2038 [Member]                              
Debt Instrument [Line Items]                              
Total debt 114,109,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 109,904,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                          
Debt Instrument, Interest Rate, Stated Percentage 3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                            
Debt Instrument, Redemption Price, Percentage             100.00%us-gaap_DebtInstrumentRedemptionPricePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                
Debt Instrument, Interest Rate, Effective Percentage 6.90%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 6.90%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 6.90%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                        
Debt Instrument, Face Amount 115,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 115,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                          
Debt Instrument, Convertible, Conversion Price $ 73.07us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                            
Conversion Feature [Abstract]                              
Debt Instrument, Convertible, Conversion Ratio 13.6849us-gaap_DebtInstrumentConvertibleConversionRatio1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                            
Per Principal Amount Of Convertible Debt 1,000brs_PerPrincipalAmountOfConvertibleDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                            
Balances Of Debt And Equity Components [Abstract]                              
Equity component- net carrying value 14,905,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 14,905,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                          
Debt component- unamortized discount (891,000)us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 (5,096,000)us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                          
Debt component- net carrying value 114,109,000us-gaap_ConvertibleDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 109,904,000us-gaap_ConvertibleDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                          
Long Term Convertible Debt Current And Noncurrent [Abstract]                              
Contractual coupon interest 3,450,000us-gaap_InterestExpenseDebtExcludingAmortization
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 3,450,000us-gaap_InterestExpenseDebtExcludingAmortization
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 3,450,000us-gaap_InterestExpenseDebtExcludingAmortization
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                        
Amortization of debt discount 4,205,000us-gaap_AmortizationOfDebtDiscountPremium
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 3,708,000us-gaap_AmortizationOfDebtDiscountPremium
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 3,597,000us-gaap_AmortizationOfDebtDiscountPremium
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                        
Total interest expense 7,655,000us-gaap_InterestExpenseDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 7,158,000us-gaap_InterestExpenseDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		 7,047,000us-gaap_InterestExpenseDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                        
Convertible Senior Notes Due 2038 [Member] | Excess Conversion [Member]                              
Conversion Feature [Abstract]                              
Debt Instrument, Convertible, Conversion Ratio 8.8952us-gaap_DebtInstrumentConvertibleConversionRatio1
/ us-gaap_DebtConversionByUniqueDescriptionAxis
= brs_ExcessConversionMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember		                            
Revolving Credit Facility [Member]                              
Debt Instrument [Line Items]                              
Total debt 83,800,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember		 24,000,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember		                          
Debt Instrument, Interest Rate, Effective Percentage 1.93%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember		 1.91%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember		                          
Proceeds from borrowings 453,000,000us-gaap_ProceedsFromIssuanceOfDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember		                            
Repayment of debt 393,200,000us-gaap_RepaymentsOfDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember		                            
Revolving Credit Facility [Member] | Minimum [Member]                              
Term Loan And Revolving Credit Facility [Abstract]                              
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage               0.25%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		              
Margin rate               0.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		              
Revolving Credit Facility [Member] | Maximum [Member]                              
Term Loan And Revolving Credit Facility [Abstract]                              
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage               0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		              
Margin rate               2.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		              
Other Debt [Member]                              
Debt Instrument [Line Items]                              
Total debt 0us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember		 883,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember		                          
Debt Instrument, Interest Rate, Effective Percentage 11.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember		                            
Proceeds from borrowings 1,200,000us-gaap_ProceedsFromIssuanceOfDebt
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember		 1,100,000us-gaap_ProceedsFromIssuanceOfDebt
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember		                          
Repayment of debt 2,000,000us-gaap_RepaymentsOfDebt
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember		                            
Term Loans And Borrowings [Member] | Airnorth Debt [Member]                              
Debt Instrument [Line Items]                              
Total debt 22,500,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_DebtInstrumentAxis
= brs_AirnorthDebtMember
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoansAndBorrowingsMember		                            
Commercial Paper [Member] | Airnorth Debt [Member]                              
Debt Instrument [Line Items]                              
Total debt 600,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_DebtInstrumentAxis
= brs_AirnorthDebtMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_CommercialPaperMember		                            
Debt Instrument, Interest Rate, Stated Percentage 2.31%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= brs_AirnorthDebtMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_CommercialPaperMember		                            
Debt Instrument, Term 12 years                            
Term Loan And Revolving Credit Facility [Abstract]                              
Debt Instrument, Term 12 years                            
Airnorth [Member] | Other Debt [Member]                              
Debt Instrument [Line Items]                              
Total debt 23,119,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_AirnorthMember		 0us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_AirnorthMember		                          
Airnorth [Member] | Term Loans And Borrowings [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Term 2 years                            
Term Loan And Revolving Credit Facility [Abstract]                              
Debt Instrument, Term 2 years                            
Airnorth [Member] | Term Loans And Borrowings [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Term 10 years                            
Term Loan And Revolving Credit Facility [Abstract]                              
Debt Instrument, Term 10 years                            
Airnorth [Member] | Term Loans And Borrowings [Member] | Term Loan 1 [Member]                              
Term Loan And Revolving Credit Facility [Abstract]                              
Margin rate 2.85%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= brs_TermLoan1Member
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoansAndBorrowingsMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_AirnorthMember		                            
Airnorth [Member] | Term Loans And Borrowings [Member] | Term Loan 1 [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Interest Rate, Effective Percentage 3.08%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= brs_TermLoan1Member
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoansAndBorrowingsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_AirnorthMember		                            
Airnorth [Member] | Term Loans And Borrowings [Member] | Term Loan 2 [Member]                              
Term Loan And Revolving Credit Facility [Abstract]                              
Margin rate 3.10%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= brs_TermLoan2Member
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoansAndBorrowingsMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_AirnorthMember		                            
Airnorth [Member] | Term Loans And Borrowings [Member] | Term Loan 2 [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Interest Rate, Effective Percentage 5.60%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= brs_TermLoan2Member
/ us-gaap_LongtermDebtTypeAxis
= brs_TermLoansAndBorrowingsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_AirnorthMember		                            
Eastern Airways | Other Debt [Member]                              
Debt Instrument [Line Items]                              
Total debt $ 19,680,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_EasternAirwaysInternationalLimitedMember		 $ 29,911,000us-gaap_DebtLongtermAndShorttermCombinedAmount
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_EasternAirwaysInternationalLimitedMember		                          
Eastern Airways | Other Debt [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Interest Rate, Effective Percentage 3.225%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_EasternAirwaysInternationalLimitedMember		                            
Debt Instrument, Term 2 years                            
Term Loan And Revolving Credit Facility [Abstract]                              
Debt Instrument, Term 2 years                            
Margin rate 2.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_EasternAirwaysInternationalLimitedMember		                            
Eastern Airways | Other Debt [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Interest Rate, Effective Percentage 3.975%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_EasternAirwaysInternationalLimitedMember		                            
Debt Instrument, Term 10 years                            
Term Loan And Revolving Credit Facility [Abstract]                              
Debt Instrument, Term 10 years                            
Margin rate 3.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= brs_OtherDebtMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_EasternAirwaysInternationalLimitedMember		                            
Scenario, Forecast [Member] | Convertible Senior Notes Due 2038 [Member]                              
Conversion Feature [Abstract]                              
Debt Instrument, Convertible, Repurchase Price, Percentage Of Principal                 100.00%brs_DebtInstrumentConvertibleRepurchasePricePercentageOfPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		 100.00%brs_DebtInstrumentConvertibleRepurchasePricePercentageOfPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		 100.00%brs_DebtInstrumentConvertibleRepurchasePricePercentageOfPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		 100.00%brs_DebtInstrumentConvertibleRepurchasePricePercentageOfPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		 100.00%brs_DebtInstrumentConvertibleRepurchasePricePercentageOfPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember