v2.4.1.9

VARIABLE INTEREST ENTITIES AND OTHER INVESTMENTS IN SIGNIFICANT AFFILIATES (Details)	3 Months Ended		9 Months Ended				9 Months Ended			3 Months Ended		9 Months Ended							9 Months Ended			9 Months Ended			1 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2014 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2014 Unrelated Local Nigerian Partners [Member]	Dec. 31, 2014 Nigerian Company owned by 100% Nigerian Employees [Member]	Dec. 31, 2014 Employee Trust Fund [Member]	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] USD ($)	Dec. 31, 2013 Bristow Aviation Holdings Limited [Member] USD ($)	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] USD ($)	Dec. 31, 2013 Bristow Aviation Holdings Limited [Member] USD ($)	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] GBP (£)	Mar. 31, 2014 Bristow Aviation Holdings Limited [Member] USD ($)	May 31, 2004 Bristow Aviation Holdings Limited [Member] USD ($)	May 31, 2004 Bristow Aviation Holdings Limited [Member] GBP (£)	Apr. 30, 2004 Bristow Aviation Holdings Limited [Member]	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] Caledonia Investments Plc [Member] People voting_rights	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] Director One [Member] voting_rights	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] Director Two [Member] voting_rights	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] Caledonia Investments Plc [Member]	Dec. 31, 2014 Bristow Aviation Holdings Limited [Member] European Union [Member]	Dec. 31, 2014 Bristow Helicopters Nigeria Ltd [Member]	Jul. 31, 2014 Nigerian Company owned by 100% Nigerian Employees [Member]	Dec. 31, 2013 Nigerian Company owned by 100% Nigerian Employees [Member]	Dec. 31, 2014 Pan African Airlines Nigeria Ltd [Member]	Dec. 31, 2014 HCA [Member] USD ($)	Dec. 31, 2014 HCA [Member] USD ($)	Dec. 31, 2014 HCA [Member] GBP (£)	Mar. 31, 2014 HCA [Member]	Dec. 31, 2014 Lider Taxi Aereo S.A. [Member]	Mar. 31, 2014 Lider Taxi Aereo S.A. [Member]
Variable Interest Entities And Other Investments [Line Items]
Number of variable interest entities			4brs_NumberOfVariableInterestEntities
Ownership percentage in Variable Interest Entity												49.00%us-gaap_VariableInterestEntityOwnershipPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember												40.00%us-gaap_VariableInterestEntityOwnershipPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowHelicoptersNigeriaLtdMember			50.17%us-gaap_VariableInterestEntityOwnershipPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_PanAfricanAirlinesNigeriaLtdMember
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage, Third Party							10.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationOwnershipPercentageThirdParty / brs_ThirdpartyAxis = brs_UnrelatedLocalNigerianPartnersMember	48.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationOwnershipPercentageThirdParty / brs_ThirdpartyAxis = brs_NigerianCompanyownedby100NigerianEmployeesMember	2.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationOwnershipPercentageThirdParty / brs_ThirdpartyAxis = brs_EmployeeTrustFundMember			51.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationOwnershipPercentageThirdParty / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember										46.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationOwnershipPercentageThirdParty / brs_ThirdpartyAxis = brs_CaledoniaInvestmentsPlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	5.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationOwnershipPercentageThirdParty / brs_ThirdpartyAxis = us-gaap_EuropeanUnionMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Purchase of deferred stock shares																8,000,000brs_VariableInterestEntityDeferredStockPurchase / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	8,000,000brs_VariableInterestEntityDeferredStockPurchase / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Business acquisition share price																	£ 1us-gaap_BusinessAcquisitionSharePrice / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Total Amount Paid For Deferred Shares																$ 14,400,000brs_TotalAmountPaidForDeferredShares / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Principal amount of subordinated unsecured loan stock										141,900,000us-gaap_UnsecuredDebt / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		141,900,000us-gaap_UnsecuredDebt / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		91,000,000us-gaap_UnsecuredDebt / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Interest rate on unsecured loan												13.50%us-gaap_SubordinatedBorrowingInterestRate / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Deferred interest cost												1,400,000,000us-gaap_InterestExpenseDebt / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Number Of Voting Rights																			3brs_NumberOfVotingRights / us-gaap_TitleOfIndividualAxis = brs_CaledoniaInvestmentsPlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	1brs_NumberOfVotingRights / us-gaap_TitleOfIndividualAxis = us-gaap_DirectorMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	1brs_NumberOfVotingRights / us-gaap_TitleOfIndividualAxis = brs_DirectorTwoMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Number of Board Of Directors Nominations																			2brs_NumberofBoardOfDirectorsNomination / us-gaap_TitleOfIndividualAxis = brs_CaledoniaInvestmentsPlcMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Call option price held by noncontrolling interest														1,000,000brs_CallOptionPriceHeldByNoncontrollingInterest / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Call Option Rate Over LIBOR										3.00%brs_CallOptionRateOverLIBOR / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		3.00%brs_CallOptionRateOverLIBOR / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Call Option Guaranteed Rate																12.00%brs_CallOptionGuaranteedRate / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	12.00%brs_CallOptionGuaranteedRate / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Put Option Guaranteed Rate																		10.00%brs_PutOptionGuaranteedRate / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Equity Method Investment, Ownership Percentage																															50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_HelideckCertificationAgencyMember	41.90%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_LiderTaxiAereoS.A.Member	42.50%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_LiderTaxiAereoS.A.Member
Variable Interest Entity, Qualitative or Quantitative Information, Purchased Percentage From Third Party																									29.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationPurchasedPercentageFromThirdParty / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_NigerianCompanyownedby100NigerianEmployeesMember	19.00%brs_VariableInterestEntityQualitativeorQuantitativeInformationPurchasedPercentageFromThirdParty / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_NigerianCompanyownedby100NigerianEmployeesMember
Proceeds from sale of unconsolidated affiliate			4,185,000us-gaap_ProceedsFromSaleOfEquityMethodInvestments	112,210,000us-gaap_ProceedsFromSaleOfEquityMethodInvestments																									4,185,000us-gaap_ProceedsFromSaleOfEquityMethodInvestments / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_HelideckCertificationAgencyMember	2,700,000us-gaap_ProceedsFromSaleOfEquityMethodInvestments / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_HelideckCertificationAgencyMember
Gain on sale of unconsolidated affiliates	3,921,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal	0us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal	3,921,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal	103,924,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal																								3,921,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_HelideckCertificationAgencyMember	3,921,000us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_HelideckCertificationAgencyMember
Statement of Financial Position [Abstract]
Cash and cash equivalents	121,366,000us-gaap_CashAndCashEquivalentsAtCarryingValue	323,230,000us-gaap_CashAndCashEquivalentsAtCarryingValue	121,366,000us-gaap_CashAndCashEquivalentsAtCarryingValue	323,230,000us-gaap_CashAndCashEquivalentsAtCarryingValue	204,341,000us-gaap_CashAndCashEquivalentsAtCarryingValue	215,623,000us-gaap_CashAndCashEquivalentsAtCarryingValue				105,290,000us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		105,290,000us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			173,490,000us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Accounts Receivable, Net, Current	295,571,000us-gaap_AccountsReceivableNetCurrent		295,571,000us-gaap_AccountsReceivableNetCurrent		297,443,000us-gaap_AccountsReceivableNetCurrent					447,351,000us-gaap_AccountsReceivableNetCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		447,351,000us-gaap_AccountsReceivableNetCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			311,641,000us-gaap_AccountsReceivableNetCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Inventories	139,027,000us-gaap_InventoryNet		139,027,000us-gaap_InventoryNet		137,463,000us-gaap_InventoryNet					93,352,000us-gaap_InventoryNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		93,352,000us-gaap_InventoryNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			94,288,000us-gaap_InventoryNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Prepaid expenses and other current assets	50,140,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent		50,140,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent		53,084,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent					51,988,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		51,988,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			45,791,000us-gaap_PrepaidExpenseAndOtherAssetsCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Total current assets	631,941,000us-gaap_AssetsCurrent		631,941,000us-gaap_AssetsCurrent		721,607,000us-gaap_AssetsCurrent					697,981,000us-gaap_AssetsCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		697,981,000us-gaap_AssetsCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			625,210,000us-gaap_AssetsCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Investment in unconsolidated affiliates	257,073,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures		257,073,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures		262,615,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures					344,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		344,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			1,414,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Property, Plant and Equipment, Net	2,129,388,000us-gaap_PropertyPlantAndEquipmentNet		2,129,388,000us-gaap_PropertyPlantAndEquipmentNet		2,268,751,000us-gaap_PropertyPlantAndEquipmentNet					223,889,000us-gaap_PropertyPlantAndEquipmentNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		223,889,000us-gaap_PropertyPlantAndEquipmentNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			217,969,000us-gaap_PropertyPlantAndEquipmentNet / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Goodwill	53,828,000us-gaap_Goodwill		53,828,000us-gaap_Goodwill		56,680,000us-gaap_Goodwill					38,492,000us-gaap_Goodwill / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		38,492,000us-gaap_Goodwill / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			41,218,000us-gaap_Goodwill / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Other assets	107,512,000us-gaap_OtherAssetsNoncurrent		107,512,000us-gaap_OtherAssetsNoncurrent		88,604,000us-gaap_OtherAssetsNoncurrent					61,705,000us-gaap_OtherAssetsNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		61,705,000us-gaap_OtherAssetsNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			45,477,000us-gaap_OtherAssetsNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Total assets	3,179,742,000us-gaap_Assets		3,179,742,000us-gaap_Assets		3,398,257,000us-gaap_Assets					1,022,411,000us-gaap_Assets / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		1,022,411,000us-gaap_Assets / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			931,288,000us-gaap_Assets / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Accounts payable	90,047,000us-gaap_AccountsPayableCurrent		90,047,000us-gaap_AccountsPayableCurrent		89,818,000us-gaap_AccountsPayableCurrent					330,967,000us-gaap_AccountsPayableCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		330,967,000us-gaap_AccountsPayableCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			182,892,000us-gaap_AccountsPayableCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Accrued Liabilities	200,343,000us-gaap_AccruedLiabilitiesCurrent		200,343,000us-gaap_AccruedLiabilitiesCurrent		204,498,000us-gaap_AccruedLiabilitiesCurrent					129,757,000us-gaap_AccruedLiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		129,757,000us-gaap_AccruedLiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			113,820,000us-gaap_AccruedLiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Accrued interest	5,530,000us-gaap_InterestPayableCurrent		5,530,000us-gaap_InterestPayableCurrent		16,157,000us-gaap_InterestPayableCurrent					1,436,382,000us-gaap_InterestPayableCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		1,436,382,000us-gaap_InterestPayableCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			1,291,581,000us-gaap_InterestPayableCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Current deferred taxes	12,670,000us-gaap_DeferredTaxLiabilitiesCurrent		12,670,000us-gaap_DeferredTaxLiabilitiesCurrent		12,372,000us-gaap_DeferredTaxLiabilitiesCurrent					3,657,000us-gaap_DeferredTaxLiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		3,657,000us-gaap_DeferredTaxLiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			3,588,000us-gaap_DeferredTaxLiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Current Maturities of long-term debt	14,277,000us-gaap_DebtCurrent		14,277,000us-gaap_DebtCurrent		14,207,000us-gaap_DebtCurrent					6,326,000us-gaap_DebtCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		6,326,000us-gaap_DebtCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			9,664,000us-gaap_DebtCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Total current liabilities	373,008,000us-gaap_LiabilitiesCurrent		373,008,000us-gaap_LiabilitiesCurrent		457,825,000us-gaap_LiabilitiesCurrent					1,907,089,000us-gaap_LiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		1,907,089,000us-gaap_LiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			1,601,545,000us-gaap_LiabilitiesCurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Total long-term debt	803,911,000us-gaap_LongTermDebtNoncurrent		803,911,000us-gaap_LongTermDebtNoncurrent		827,095,000us-gaap_LongTermDebtNoncurrent					157,407,000us-gaap_LongTermDebtNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		157,407,000us-gaap_LongTermDebtNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			172,391,000us-gaap_LongTermDebtNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Accrued pension liabilities	62,110,000us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent		62,110,000us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent		86,823,000us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent					62,110,000us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		62,110,000us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			86,824,000us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Other liabilities and deferred credits	59,953,000us-gaap_OtherLiabilitiesNoncurrent		59,953,000us-gaap_OtherLiabilitiesNoncurrent		78,126,000us-gaap_OtherLiabilitiesNoncurrent					7,080,000us-gaap_OtherLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		7,080,000us-gaap_OtherLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			2,252,000us-gaap_OtherLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Deferred taxes	162,895,000us-gaap_DeferredTaxLiabilitiesNoncurrent		162,895,000us-gaap_DeferredTaxLiabilitiesNoncurrent		169,519,000us-gaap_DeferredTaxLiabilitiesNoncurrent					1,156,000us-gaap_DeferredTaxLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		1,156,000us-gaap_DeferredTaxLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			13,062,000us-gaap_DeferredTaxLiabilitiesNoncurrent / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Temporary equity	23,660,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount		23,660,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount		22,283,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount					23,660,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		23,660,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			22,283,000us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Liabilities										2,158,502,000us-gaap_Liabilities / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember		2,158,502,000us-gaap_Liabilities / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember			1,898,357,000us-gaap_Liabilities / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Revenue	460,140,000us-gaap_Revenues	412,335,000us-gaap_Revenues	1,408,314,000us-gaap_Revenues	1,228,657,000us-gaap_Revenues						371,974,000us-gaap_Revenues / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	328,231,000us-gaap_Revenues / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	1,147,406,000us-gaap_Revenues / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	970,038,000us-gaap_Revenues / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
Operating Income (Loss)										(13,633,000)us-gaap_OperatingIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	12,782,000us-gaap_OperatingIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	10,085,000us-gaap_OperatingIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember	40,449,000us-gaap_OperatingIncomeLoss / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = brs_BristowAviationHoldingsLimitedMember
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This is the call option guaranteed rate for our noncontrolling shareholder.

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The net result for the period of deducting operating expenses from operating revenues.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Stated interest rate of the subordinated debt.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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