v2.4.1.9

OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended								12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015 aircraft	Mar. 31, 2014 aircraft	Mar. 31, 2013 aircraft
Valuation and Qualifying Accounts Disclosure [Line Items]
Dormant, obsolete and excess inventory	$ 19,100,000us-gaap_InventoryValuationReserves				$ 50,500,000us-gaap_InventoryValuationReserves				$ 19,100,000us-gaap_InventoryValuationReserves	$ 50,500,000us-gaap_InventoryValuationReserves
Aircraft Exit Plan, Period										2 years
Gain (loss) on disposal of assets	(10,300,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment	(26,300,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment	100,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment	600,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment	100,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment	4,000,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment	(3,100,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment	(1,700,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment	(35,849,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment	(722,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment	8,068,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Insurance Recoveries											4,700,000us-gaap_InsuranceRecoveries
Movement in Valuation Allowances and Reserves [Roll Forward]
Impairment of inventories									7,167,000us-gaap_InventoryWriteDown	12,669,000us-gaap_InventoryWriteDown	0us-gaap_InventoryWriteDown
Property, Plant and Equipment [Line Items]
Construction in progress within property and equipment	306,000,000us-gaap_ConstructionInProgressGross				477,900,000us-gaap_ConstructionInProgressGross				306,000,000us-gaap_ConstructionInProgressGross	477,900,000us-gaap_ConstructionInProgressGross
Impairment charges on assets held for sale									36,057,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf	6,814,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Number of aircraft reclassed held for sale to property and equipment											4brs_NumberOfAircraftReclassedHeldForSaleToPropertyAndEquipment
Gain from aircraft reclassed from held for sale to property and eqiupment											8,700,000brs_GainFromAircraftReclassedFromHeldForSaleToPropertyAndEqiupment
Goodwill [Roll Forward]
Goodwill, beginning balance				56,680,000us-gaap_Goodwill				28,897,000us-gaap_Goodwill	56,680,000us-gaap_Goodwill	28,897,000us-gaap_Goodwill
Goodwill, translation adjustments									(5,304,000)us-gaap_GoodwillTranslationAdjustments	1,880,000us-gaap_GoodwillTranslationAdjustments
Goodwill, acquired during period									24,252,000us-gaap_GoodwillAcquiredDuringPeriod	26,479,000us-gaap_GoodwillAcquiredDuringPeriod
Goodwill, impairment loss										(576,000)us-gaap_GoodwillImpairmentLoss
Goodwill, ending balance	75,628,000us-gaap_Goodwill				56,680,000us-gaap_Goodwill				75,628,000us-gaap_Goodwill	56,680,000us-gaap_Goodwill	28,897,000us-gaap_Goodwill
Business acquisition, purchase price allocation, goodwill, expected tax deductible amount	4,800,000us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount								4,800,000us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Gross Beginning Balance				26,628,000us-gaap_IntangibleAssetsGrossExcludingGoodwill				9,750,000us-gaap_IntangibleAssetsGrossExcludingGoodwill	26,628,000us-gaap_IntangibleAssetsGrossExcludingGoodwill	9,750,000us-gaap_IntangibleAssetsGrossExcludingGoodwill
Finite-Lived Intangible Assets, Translation Adjustments									(2,085,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments	(78,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments
Finite-lived Intangible Assets Acquired									3,763,000us-gaap_FinitelivedIntangibleAssetsAcquired1	16,956,000us-gaap_FinitelivedIntangibleAssetsAcquired1
Intangible Assets, Gross Ending Balance	28,306,000us-gaap_IntangibleAssetsGrossExcludingGoodwill				26,628,000us-gaap_IntangibleAssetsGrossExcludingGoodwill				28,306,000us-gaap_IntangibleAssetsGrossExcludingGoodwill	26,628,000us-gaap_IntangibleAssetsGrossExcludingGoodwill	9,750,000us-gaap_IntangibleAssetsGrossExcludingGoodwill
Accumulated Amortization of Intangible Assets- Beginning Balance				(8,329,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization				(6,808,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization	(8,329,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization	(6,808,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Amortization of Intangible Assets									(1,762,000)us-gaap_AmortizationOfIntangibleAssets	(1,521,000)us-gaap_AmortizationOfIntangibleAssets
Accumulated Amortization of Intangible Assets- Ending Balance	(10,091,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization				(8,329,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization				(10,091,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization	(8,329,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization	(6,808,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Weighted Average Remaining Contractual Life, in Years									10 years 3 months 16 days
Future Amortization Expense, Year One	2,114,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths								2,114,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Future Amortization Expense, Year Two	1,553,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo								1,553,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
Future Amortization Expense, Year Three	1,472,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree								1,472,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
Future Amortization Expense, Year Four	1,200,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour								1,200,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
Future Amortization Expense, Year Five	996,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive								996,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Future Amortization Expense, After Year Five	10,880,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive								10,880,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
Future Amortization Expense, Total	18,215,000us-gaap_FiniteLivedIntangibleAssetsNet								18,215,000us-gaap_FiniteLivedIntangibleAssetsNet
Other [Line Items]
Number of aircraft operated									501us-gaap_NumberOfAircraftOperated
Unamortized debt issuance expense	10,000,000us-gaap_UnamortizedDebtIssuanceExpense				12,300,000us-gaap_UnamortizedDebtIssuanceExpense				10,000,000us-gaap_UnamortizedDebtIssuanceExpense	12,300,000us-gaap_UnamortizedDebtIssuanceExpense
Deferred Tax Assets, Net, Noncurrent	50,700,000us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent				17,600,000us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent				50,700,000us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent	17,600,000us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent
Deferred Contract Acquisition Cost, Non Current	42,400,000us-gaap_DeferredSetUpCostsNoncurrent				15,200,000us-gaap_DeferredSetUpCostsNoncurrent				42,400,000us-gaap_DeferredSetUpCostsNoncurrent	15,200,000us-gaap_DeferredSetUpCostsNoncurrent
Foreign currency transaction gain/loss									(6,500,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax	(3,700,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax	(1,100,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Impact of Foreign Exchange Rates on Unconsolidated affiliates									(25,700,000)brs_ImpactOfForeignExchangeRatesOnUnconsolidatedAffiliates	(3,900,000)brs_ImpactOfForeignExchangeRatesOnUnconsolidatedAffiliates	(3,900,000)brs_ImpactOfForeignExchangeRatesOnUnconsolidatedAffiliates
Extinguishment of debt									2,591,000us-gaap_GainsLossesOnExtinguishmentOfDebt	0us-gaap_GainsLossesOnExtinguishmentOfDebt	14,932,000us-gaap_GainsLossesOnExtinguishmentOfDebt
Deferred Sale Leaseback Advance Total	55,900,000brs_DeferredSaleLeasebackAdvanceTotal				166,300,000brs_DeferredSaleLeasebackAdvanceTotal				55,900,000brs_DeferredSaleLeasebackAdvanceTotal	166,300,000brs_DeferredSaleLeasebackAdvanceTotal
Deferred sale leaseback advance - current	55,934,000brs_DeferredSaleLeasebackAdvanceCurrent				136,930,000brs_DeferredSaleLeasebackAdvanceCurrent				55,934,000brs_DeferredSaleLeasebackAdvanceCurrent	136,930,000brs_DeferredSaleLeasebackAdvanceCurrent
Deferred Sale Leaseback Advance - Long-term	0brs_DeferredSaleLeasebackAdvanceLongterm				29,400,000brs_DeferredSaleLeasebackAdvanceLongterm				0brs_DeferredSaleLeasebackAdvanceLongterm	29,400,000brs_DeferredSaleLeasebackAdvanceLongterm
Proceeds from assignment of aircraft purchase agreements									0brs_ProceedsfromAssignmentofAircraftPurchaseAgreements	106,113,000brs_ProceedsfromAssignmentofAircraftPurchaseAgreements	0brs_ProceedsfromAssignmentofAircraftPurchaseAgreements
Number Of Aircraft Assigned Future Payments									2brs_NumberOfAircraftAssignedFuturePayments	7brs_NumberOfAircraftAssignedFuturePayments
Number Of Aircraft Movement Into (Out Of) Deferred Sale Leaseback Advance									(5)brs_NumberOfAircraftMovementIntoOutOfDeferredSaleLeasebackAdvance
Deferred Sale Leaseback, Liability For Cash Received And Payments Made	129,900,000brs_DeferredSaleLeasebackLiabilityForCashReceivedAndPaymentsMade								129,900,000brs_DeferredSaleLeasebackLiabilityForCashReceivedAndPaymentsMade
Completion of deferred sale leaseback									183,688,000brs_DeferredSaleLeasebackCompletion	0brs_DeferredSaleLeasebackCompletion	0brs_DeferredSaleLeasebackCompletion
Removal of Deferred Sale Leaseback Advance									182,600,000brs_RemovalofDeferredSaleLeasebackAdvance
Senior Notes [Member] | Senior Notes Due 2022 [Member]
Other [Line Items]
Extinguishment of debt									2,591,000us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Other Income (Expense)									(2,600,000)us-gaap_OtherNonoperatingIncomeExpense / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Senior Notes [Member] | Senior Notes Due 2017 [Member]
Other [Line Items]
Extinguishment of debt											(14,900,000)us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2017Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Unconsolidated Affiliates [Member]
Other [Line Items]
Number of aircraft operated									130us-gaap_NumberOfAircraftOperated / dei_LegalEntityAxis = brs_UnconsolidatedAffiliatesMember
FB Entities [Member]
Other [Line Items]
Other Income (Expense)										1,100,000us-gaap_OtherNonoperatingIncomeExpense / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_FBEntitiesMember
Client Contracts [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Gross Beginning Balance				7,129,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember				7,187,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	7,129,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	7,187,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
Finite-Lived Intangible Assets, Translation Adjustments									(76,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	(58,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
Finite-lived Intangible Assets Acquired									1,112,000us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
Intangible Assets, Gross Ending Balance	8,165,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember				7,129,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember				8,165,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	7,129,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
Accumulated Amortization of Intangible Assets- Beginning Balance				(6,932,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember				(5,662,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	(6,932,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	(5,662,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
Amortization of Intangible Assets									(467,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	(1,270,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
Accumulated Amortization of Intangible Assets- Ending Balance	(7,399,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember				(6,932,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember				(7,399,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember	(6,932,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
Weighted Average Remaining Contractual Life, in Years									1 year 7 months 2 days
Client Relationships [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Gross Beginning Balance				12,007,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember				1,730,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	12,007,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	1,730,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Finite-Lived Intangible Assets, Translation Adjustments									(1,238,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	(14,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Finite-lived Intangible Assets Acquired									2,287,000us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	10,291,000us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Intangible Assets, Gross Ending Balance	13,056,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember				12,007,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember				13,056,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	12,007,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Accumulated Amortization of Intangible Assets- Beginning Balance				(928,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember				(758,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	(928,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	(758,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Amortization of Intangible Assets									(655,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	(170,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Accumulated Amortization of Intangible Assets- Ending Balance	(1,583,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember				(928,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember				(1,583,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember	(928,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Weighted Average Remaining Contractual Life, in Years									17 years 6 months
Trade Names and Trademarks [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Gross Beginning Balance				5,326,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember				0us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	5,326,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	0us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Finite-Lived Intangible Assets, Translation Adjustments									(542,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	0us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Finite-lived Intangible Assets Acquired									364,000us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	5,326,000us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Intangible Assets, Gross Ending Balance	5,148,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember				5,326,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember				5,148,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	5,326,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Accumulated Amortization of Intangible Assets- Beginning Balance				0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember				0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Amortization of Intangible Assets									(323,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	0us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Accumulated Amortization of Intangible Assets- Ending Balance	(323,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember				0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember				(323,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember	0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Weighted Average Remaining Contractual Life, in Years									14 years 10 months 19 days
Internally developed software [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Gross Beginning Balance				1,339,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember				0us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	1,339,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	0us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember
Finite-Lived Intangible Assets, Translation Adjustments									(160,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	0us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember
Finite-lived Intangible Assets Acquired									0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	1,339,000us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember
Intangible Assets, Gross Ending Balance	1,179,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember				1,339,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember				1,179,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	1,339,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember
Accumulated Amortization of Intangible Assets- Beginning Balance				0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember				0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember
Amortization of Intangible Assets									(244,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	0us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember
Accumulated Amortization of Intangible Assets- Ending Balance	(244,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember				0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember				(244,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember	0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_SoftwareDevelopmentMember
Weighted Average Remaining Contractual Life, in Years									3 years 9 months 13 days
Licenses [Member]
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets, Gross Beginning Balance				827,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember				833,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	827,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	833,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember
Finite-Lived Intangible Assets, Translation Adjustments									(69,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	(6,000)us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember
Finite-lived Intangible Assets Acquired									0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember
Intangible Assets, Gross Ending Balance	758,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember				827,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember				758,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	827,000us-gaap_IntangibleAssetsGrossExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember
Accumulated Amortization of Intangible Assets- Beginning Balance				(469,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember				(388,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	(469,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	(388,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember
Amortization of Intangible Assets									(73,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	(81,000)us-gaap_AmortizationOfIntangibleAssets / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember
Accumulated Amortization of Intangible Assets- Ending Balance	(542,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember				(469,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember				(542,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember	(469,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember
Weighted Average Remaining Contractual Life, in Years									3 years
Bristow Academy [Member]
Goodwill [Roll Forward]
Reporting unit, percentage of fair value in excess of carrying amount	18.30%us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_SubsegmentsConsolidationItemsAxis = brs_BristowAcademyMember								18.30%us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_SubsegmentsConsolidationItemsAxis = brs_BristowAcademyMember
Europe [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance				40,201,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember				11,883,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember	40,201,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember	11,883,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember
Goodwill, translation adjustments									(4,500,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember	1,839,000us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember
Goodwill, acquired during period									0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember	26,479,000us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember
Goodwill, impairment loss										0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember
Goodwill, ending balance	35,701,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember				40,201,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember				35,701,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember	40,201,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_EuropeMember
Bristow Academy [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance				10,302,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember				10,212,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember	10,302,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember	10,212,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember
Goodwill, translation adjustments									(112,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember	90,000us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember
Goodwill, acquired during period									0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember
Goodwill, impairment loss										0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember
Goodwill, ending balance	10,190,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember				10,302,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember				10,190,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember	10,302,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_BristowAcademyMember
Australia [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance				0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU				0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU	0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU	0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU
Goodwill, translation adjustments									(461,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = country_AU	0us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = country_AU
Goodwill, acquired during period									24,252,000us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = country_AU	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = country_AU
Goodwill, impairment loss										0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = country_AU
Goodwill, ending balance	23,791,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU				0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU				23,791,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU	0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = country_AU
West Africa [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance				6,177,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember				6,226,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember	6,177,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember	6,226,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember
Goodwill, translation adjustments									(231,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember	(49,000)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember
Goodwill, acquired during period									0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember
Goodwill, impairment loss										0us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember
Goodwill, ending balance	5,946,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember				6,177,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember				5,946,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember	6,177,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_WestAfricaMember
Other International [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance				0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember				576,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember	0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember	576,000us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember
Goodwill, translation adjustments									0us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember	0us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember
Goodwill, acquired during period									0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember	0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember
Goodwill, impairment loss										(576,000)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember
Goodwill, ending balance	0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember				0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember				0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember	0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = brs_OtherInternationalMember
Assets Held For Sale [Member]
Property, Plant and Equipment [Line Items]
Impairment charges on assets held for sale									36,057,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf / us-gaap_MajorPropertyClassAxis = us-gaap_AssetsHeldForSaleMember	6,814,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf / us-gaap_MajorPropertyClassAxis = us-gaap_AssetsHeldForSaleMember	4,362,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf / us-gaap_MajorPropertyClassAxis = us-gaap_AssetsHeldForSaleMember
Aircraft [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Gain (loss) on disposal of assets									208,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AirTransportationEquipmentMember	6,092,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AirTransportationEquipmentMember	3,708,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AirTransportationEquipmentMember
Maximum [Member] | Aircraft [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life									15 years
Property, Plant and Equipment salvage value percentage	50.00%us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AirTransportationEquipmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember								50.00%us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AirTransportationEquipmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Maximum [Member] | Building [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life									40 years
Maximum [Member] | Other Depreciable Assets [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life									15 years
Minimum [Member] | Aircraft [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life									5 years
Property, Plant and Equipment salvage value percentage	30.00%us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AirTransportationEquipmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember								30.00%us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_AirTransportationEquipmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Minimum [Member] | Building [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life									15 years
Minimum [Member] | Other Depreciable Assets [Member]
Property, Plant and Equipment [Line Items]
Property Plant And Equipment Useful Life									3 years
Service Life [Member]
Property, Plant and Equipment [Line Items]
Change In Accounting Estimate, Depreciation Expense Reduction									3,500,000brs_ChangeInAccountingEstimateDepreciationExpenseReduction / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_ServiceLifeMember
Change In Accounting Estimate, Diluted Earnings Per Share Effect									$ 0.08brs_ChangeInAccountingEstimateDilutedEarningsPerShareEffect / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_ServiceLifeMember
Damage from fire, explosion or other hazard [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Gain (loss) on disposal of assets									4,900,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_DamageFromFireExplosionOrOtherHazardMember	(11,100,000)us-gaap_GainLossOnSaleOfPropertyPlantEquipment / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_DamageFromFireExplosionOrOtherHazardMember
Insurance Recoveries									16,000,000us-gaap_InsuranceRecoveries / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_DamageFromFireExplosionOrOtherHazardMember	11,100,000us-gaap_InsuranceRecoveries / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_DamageFromFireExplosionOrOtherHazardMember
H225 Super Puma [Member]
Property, Plant and Equipment [Line Items]
Number of aircraft reclassed held for sale to property and equipment											4brs_NumberOfAircraftReclassedHeldForSaleToPropertyAndEquipment / us-gaap_AircraftTypeAxis = brs_H225SuperPumaMember
Gain from aircraft reclassed from held for sale to property and eqiupment											8,700,000brs_GainFromAircraftReclassedFromHeldForSaleToPropertyAndEqiupment / us-gaap_AircraftTypeAxis = brs_H225SuperPumaMember
ATP Oil And Gas Corporation [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Provision for Doubtful Accounts											4,900,000us-gaap_ProvisionForDoubtfulAccounts / us-gaap_MajorCustomersAxis = brs_AtpOilAndGasCorporationMember
Allowance for Doubtful Accounts Receivable, Recoveries									4,400,000us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries / us-gaap_MajorCustomersAxis = brs_AtpOilAndGasCorporationMember
Allowance for Doubtful Accounts Receivable, Write-offs									500,000us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs / us-gaap_MajorCustomersAxis = brs_AtpOilAndGasCorporationMember
UK SAR [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Deferred set-up costs, current	8,900,000us-gaap_DeferredSetUpCostsCurrent / us-gaap_MajorCustomersAxis = brs_UkSarMember				5,500,000us-gaap_DeferredSetUpCostsCurrent / us-gaap_MajorCustomersAxis = brs_UkSarMember				8,900,000us-gaap_DeferredSetUpCostsCurrent / us-gaap_MajorCustomersAxis = brs_UkSarMember	5,500,000us-gaap_DeferredSetUpCostsCurrent / us-gaap_MajorCustomersAxis = brs_UkSarMember
Amortization of other deferred charges									2,600,000us-gaap_OtherAmortizationOfDeferredCharges / us-gaap_MajorCustomersAxis = brs_UkSarMember
Allowance for doubtful accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance- beginning of fiscal year				5,074,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember				5,079,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	5,074,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	5,079,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	243,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember
Additional allowances									1,050,000us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	87,000us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	4,887,000us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember
Write-offs									(5,265,000)us-gaap_ValuationAllowancesAndReservesDeductions / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	(92,000)us-gaap_ValuationAllowancesAndReservesDeductions / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	(51,000)us-gaap_ValuationAllowancesAndReservesDeductions / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember
Balance- end of fiscal year	859,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember				5,074,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember				859,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	5,074,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember	5,079,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_AllowanceForDoubtfulAccountsMember
Inventory valuation reserve [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance- beginning of fiscal year				47,298,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember				31,504,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	47,298,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	31,504,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	34,364,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember
Impairment of inventories									7,167,000us-gaap_InventoryWriteDown / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	12,669,000us-gaap_InventoryWriteDown / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	0us-gaap_InventoryWriteDown / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember
Additional allowances									4,867,000us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	6,807,000us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	8,479,000us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember
Write-offs									(10,125,000)us-gaap_ValuationAllowancesAndReservesDeductions / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	(6,096,000)us-gaap_ValuationAllowancesAndReservesDeductions / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	(10,053,000)us-gaap_ValuationAllowancesAndReservesDeductions / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember
Foreign currency effects									(3,793,000)us-gaap_ValuationAllowancesAndReservesAdjustments / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	2,414,000us-gaap_ValuationAllowancesAndReservesAdjustments / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	(1,286,000)us-gaap_ValuationAllowancesAndReservesAdjustments / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember
Balance- end of fiscal year	$ 45,414,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember				$ 47,298,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember				$ 45,414,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	$ 47,298,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember	$ 31,504,000us-gaap_ValuationAllowancesAndReservesBalance / us-gaap_ValuationAllowancesAndReservesTypeAxis = us-gaap_InventoryValuationReserveMember

X

- Definition

Period company plans to exit specific aircraft type.

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- Definition

The reduction in depreciation expense recognized in current period due to an accounting estimate.

+ References

No definition available.

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- Definition

The impact to earnings per share recognized in current period due to an accounting estimate.

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- Definition

Amount received for progress payments we had previously made on aircraft that we assigned future payments due on these construction agreements to the purchaser. As we have the obligation and intent to lease the aircraft back from the purchaser expected within one year we recorded this current liability equal to the cash received and payments made by the purchaser. Also, includes capitalized interest.

+ References

No definition available.

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Amount received for progress payments we had previously made on aircraft that we assigned future payments due on these construction agreements to the purchaser. As we have the obligation and intent to lease the aircraft back from the purchaser expected after one year we recorded this non-current liability equal to the cash received and payments made by the purchaser. Also, includes capitalized interest.

+ References

No definition available.

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- Definition

Amount received for progress payments we had previously made on aircraft that we assigned future payments due on these construction agreements to the purchaser. As we have the obligation and intent to lease the aircraft back from the purchaser we recorded this current liability equal to the cash received and payments made by the purchaser. Also, includes capitalized interest. Includes both current and non-current portion of liability.

+ References

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This represents the removal of construction in progress due to the execution of leases for the deferred sale leasebacks.

+ References

No definition available.

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The liability recorded for cash received and payments made by purchaser in regards to deferred sale leasebacks.

+ References

No definition available.

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- Definition

The gain from aircraft reclassed from held for sale to property and eqiupment which we reversed previously recorded impairment charges.

+ References

No definition available.

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Aggregate impact of foreign currency transaction on unconsolidate affiliates earnings for the period.

+ References

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Number of aircraft for which we received progress payments we had previously made on aircraft that we assigned future payments due on these construction agreements to the purchaser.

+ References

No definition available.

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Increase (decrease) of the number of aircraft moved into (out of) deferred sale leaseback advance due to entry into new contracts or delivery of assets.

+ References

No definition available.

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Number of aircraft reclassed from held for sale to property and equipment.

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- Definition

Amount received for progress payments we had previously made on aircraft that we assigned future payments due on these construction agreements to the purchaser.

+ References

No definition available.

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This represents the amount of deferred sale leaseback liability that has been removed from the balance sheet due to the execution of leases.

+ References

No definition available.

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Amount of recoveries of receivables doubtful of collection that were previously charged off.

+ References

No definition available.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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-Name Accounting Standards Codification

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Deferred incremental direct costs incurred typically at a contract's inception so that the company may be in a position to fulfill all contractual obligations of an arrangement. The costs are directly related to specified activities under the arrangement and are deferred in order to match revenue that will be recognized within one year of the balance sheet date (or one operating cycle if longer).

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-Subsection 3

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Deferred incremental direct costs incurred typically at a contract's inception so that the company may be in a position to fulfill all contractual obligations of an arrangement. The costs are directly related to specified activities under the arrangement and are deferred in order to match revenue that will be recognized after one year from the balance sheet date (or one operating cycle if longer). Excludes start-up costs (such as one-time activities related to opening a new facility, introducing a new product or service, establishing business with a new class of customers, preopening costs, and organization costs), which are expensed as incurred.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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