v2.4.1.9
PROPERTY AND EQUIPMENT AND ASSETS HELD FOR SALE (Details) (USD $)
 3 Months Ended 12 Months Ended 3 Months Ended 1 Months Ended
Mar. 31, 2015
aircraft
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
aircraft
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2015
aircraft
Mar. 31, 2014
aircraft
Mar. 31, 2013
aircraft
Mar. 31, 2016
Jun. 30, 2015
Apr. 30, 2015
aircraft
Property, Plant and Equipment [Line Items]                            
Number of aircraft added                 21brs_PropertyPlantAndEquipmentNumberOfAircraftAdded 21brs_PropertyPlantAndEquipmentNumberOfAircraftAdded 19brs_PropertyPlantAndEquipmentNumberOfAircraftAdded      
Capital expenditures                 $ 601,834,000us-gaap_PaymentsToAcquireProductiveAssets $ 628,613,000us-gaap_PaymentsToAcquireProductiveAssets $ 571,425,000us-gaap_PaymentsToAcquireProductiveAssets      
Number of aircraft sold or disposed of                 44us-gaap_PropertyPlantAndEquipmentNumberOfAircraftSold 46us-gaap_PropertyPlantAndEquipmentNumberOfAircraftSold 27us-gaap_PropertyPlantAndEquipmentNumberOfAircraftSold      
Proceeds from asset dispositions                 414,859,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 289,951,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 314,847,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment      
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      
Number of aircraft impaired                 27brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf 11brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf        
Impairment charges on assets held for sale                 36,057,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf 6,814,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf        
Number of aircraft sale leaseback                 14brs_NumberOfAircraftSaleLeaseback 14brs_NumberOfAircraftSaleLeaseback 11brs_NumberOfAircraftSaleLeaseback      
Sale Leaseback Transaction, Gross Proceeds                 380,700,000us-gaap_SaleLeasebackTransactionGrossProceedsInvestingActivities 246,400,000us-gaap_SaleLeasebackTransactionGrossProceedsInvestingActivities 255,800,000us-gaap_SaleLeasebackTransactionGrossProceedsInvestingActivities      
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      
Insurance Recoveries                     4,700,000us-gaap_InsuranceRecoveries      
Number of aircraft transferred to held for sale 15brs_NumberOfAircraftTransferredToHeldForSale       36brs_NumberOfAircraftTransferredToHeldForSale       15brs_NumberOfAircraftTransferredToHeldForSale 36brs_NumberOfAircraftTransferredToHeldForSale 16brs_NumberOfAircraftTransferredToHeldForSale      
Property, Plant and Equipment, Gross, Period Increase (Decrease)                 (91,500,000)us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease (51,600,000)us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease (13,900,000)us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease      
Deferred Sale Leaseback Abstract [Abstract]                            
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        
Deferred sale leaseback advance                 69,680,000brs_DeferredSaleLeasebackProgressPayments 60,194,000brs_DeferredSaleLeasebackProgressPayments 0brs_DeferredSaleLeasebackProgressPayments      
Number Of Aircraft Movement Into (Out Of) Deferred Sale Leaseback Advance                 (5)brs_NumberOfAircraftMovementIntoOutOfDeferredSaleLeasebackAdvance          
Completion of deferred sale leaseback                 183,688,000brs_DeferredSaleLeasebackCompletion 0brs_DeferredSaleLeasebackCompletion 0brs_DeferredSaleLeasebackCompletion      
Removal of Deferred Sale Leaseback Advance                 182,600,000brs_RemovalofDeferredSaleLeasebackAdvance          
Improper Capitalization Of Profit [Member] | Revenue [Member]                            
Property, Plant and Equipment [Line Items]                            
Quantifying Misstatement in Current Year Financial Statements, Amount                 (3,500,000)us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SalesMember
/ us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsByNatureOfErrorAxis
= brs_ImproperCapitalizationOfProfitMember		          
Improper Capitalization Of Profit [Member] | Direct cost [Member]                            
Property, Plant and Equipment [Line Items]                            
Quantifying Misstatement in Current Year Financial Statements, Amount                 2,000,000us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember
/ us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsByNatureOfErrorAxis
= brs_ImproperCapitalizationOfProfitMember		          
Improper Capitalization Of Profit [Member] | Depreciation and amortization [Member]                            
Property, Plant and Equipment [Line Items]                            
Quantifying Misstatement in Current Year Financial Statements, Amount                 (200,000)us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_OperatingExpenseMember
/ us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsByNatureOfErrorAxis
= brs_ImproperCapitalizationOfProfitMember		          
Improper Capitalization Of Profit [Member] | Property, plant and equipment, net [Member]                            
Property, Plant and Equipment [Line Items]                            
Quantifying Misstatement in Current Year Financial Statements, Amount                 (4,400,000)us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentAssetsMember
/ us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsByNatureOfErrorAxis
= brs_ImproperCapitalizationOfProfitMember		          
Improper Capitalization Of Profit [Member] | Long-term liabilities [Member]                            
Property, Plant and Equipment [Line Items]                            
Quantifying Misstatement in Current Year Financial Statements, Amount                 900,000us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentLiabilitiesMember
/ us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsByNatureOfErrorAxis
= brs_ImproperCapitalizationOfProfitMember		          
Cougar [Member]                            
Property, Plant and Equipment [Line Items]                            
Capital expenditures                     190,900,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= brs_CougarMember		      
Damage from fire, explosion or other hazard [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft sold or disposed of                   2us-gaap_PropertyPlantAndEquipmentNumberOfAircraftSold
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_DamageFromFireExplosionOrOtherHazardMember		        
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		        
Insurance Settlement [Member]                            
Property, Plant and Equipment [Line Items]                            
Gain (loss) on disposal of assets                     2,800,000us-gaap_GainLossOnSaleOfPropertyPlantEquipment
/ us-gaap_LossContingenciesByNatureOfContingencyAxis
= us-gaap_InsuranceSettlementMember		      
Other International And West Africa [Member]                            
Property, Plant and Equipment [Line Items]                            
Accelerated Depreciation                 4,400,000us-gaap_RestructuringReserveAcceleratedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= brs_OtherInternationalAndWestAfricaMember		          
Other International And West Africa [Member] | Scenario, Forecast [Member]                            
Property, Plant and Equipment [Line Items]                            
Accelerated Depreciation                       3,800,000us-gaap_RestructuringReserveAcceleratedDepreciation
/ us-gaap_StatementBusinessSegmentsAxis
= brs_OtherInternationalAndWestAfricaMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		    
Assets Held For Sale [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft impaired                 27brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		 11brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		 10brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		      
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		      
Number of aircraft                 12brs_NumberOfAircraft
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		 16brs_NumberOfAircraft
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		        
Assets held for sale 57,800,000us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssetsCurrent
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		       29,300,000us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssetsCurrent
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		       57,800,000us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssetsCurrent
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		 29,300,000us-gaap_DisposalGroupIncludingDiscontinuedOperationLongLivedAssetsCurrent
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		        
Older Large Aircraft [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft impaired                 17brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember		          
Impairment charges on assets held for sale 6,400,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember		                          
Older Large Aircraft [Member] | Australia [Member]                            
Property, Plant and Equipment [Line Items]                            
Accelerated Depreciation 6,200,000us-gaap_RestructuringReserveAcceleratedDepreciation
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember
/ us-gaap_StatementBusinessSegmentsAxis
= country_AU		                          
Older Large Aircraft [Member] | Australia [Member] | Scenario, Forecast [Member]                            
Property, Plant and Equipment [Line Items]                            
Accelerated Depreciation                         6,200,000us-gaap_RestructuringReserveAcceleratedDepreciation
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember
/ us-gaap_StatementBusinessSegmentsAxis
= country_AU
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		  
Number Of Aircraft In Exit Plan                       4brs_NumberOfAircraftInExitPlan
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember
/ us-gaap_StatementBusinessSegmentsAxis
= country_AU
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember		    
Older Large Aircraft [Member] | Assets Held For Sale [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft sold or disposed of 13us-gaap_PropertyPlantAndEquipmentNumberOfAircraftSold
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		                          
Number of aircraft impaired   10brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		                        
Impairment charges on assets held for sale   24,500,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_AircraftTypeAxis
= brs_OlderLargeAircraftMember
/ us-gaap_MajorPropertyClassAxis
= us-gaap_AssetsHeldForSaleMember		                        
Prototype Aircraft [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft impaired                 3brs_NumberOfImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_AircraftTypeAxis
= brs_PrototypeAircraftMember		          
Impairment charges on assets held for sale                 4,300,000us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
/ us-gaap_AircraftTypeAxis
= brs_PrototypeAircraftMember		          
Prototype Aircraft [Member] | Subsequent Event [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft sold or disposed of                           3us-gaap_PropertyPlantAndEquipmentNumberOfAircraftSold
/ us-gaap_AircraftTypeAxis
= brs_PrototypeAircraftMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Medium Aircraft [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft added                 7brs_PropertyPlantAndEquipmentNumberOfAircraftAdded
/ us-gaap_AircraftTypeAxis
= brs_MediumAircraftMember		 10brs_PropertyPlantAndEquipmentNumberOfAircraftAdded
/ us-gaap_AircraftTypeAxis
= brs_MediumAircraftMember		 2brs_PropertyPlantAndEquipmentNumberOfAircraftAdded
/ us-gaap_AircraftTypeAxis
= brs_MediumAircraftMember		      
Medium Aircraft [Member] | Other International And West Africa [Member]                            
Property, Plant and Equipment [Line Items]                            
Number Of Aircraft In Exit Plan                 10brs_NumberOfAircraftInExitPlan
/ us-gaap_AircraftTypeAxis
= brs_MediumAircraftMember
/ us-gaap_StatementBusinessSegmentsAxis
= brs_OtherInternationalAndWestAfricaMember		          
Large Aircraft [Member]                            
Property, Plant and Equipment [Line Items]                            
Number of aircraft added                 14brs_PropertyPlantAndEquipmentNumberOfAircraftAdded
/ us-gaap_AircraftTypeAxis
= brs_LargeAircraftMember		 11brs_PropertyPlantAndEquipmentNumberOfAircraftAdded
/ us-gaap_AircraftTypeAxis
= brs_LargeAircraftMember		 17brs_PropertyPlantAndEquipmentNumberOfAircraftAdded
/ us-gaap_AircraftTypeAxis
= brs_LargeAircraftMember		      
Fixed Wing Aircraft [Member] | Other International And West Africa [Member]                            
Property, Plant and Equipment [Line Items]                            
Number Of Aircraft In Exit Plan                 1brs_NumberOfAircraftInExitPlan
/ us-gaap_AircraftTypeAxis
= brs_FixedWingAircraftMember
/ us-gaap_StatementBusinessSegmentsAxis
= brs_OtherInternationalAndWestAfricaMember		          
Aircraft and related equipment [Member]                            
Property, Plant and Equipment [Line Items]                            
Capital expenditures                 476,368,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AirTransportationEquipmentMember		 563,724,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AirTransportationEquipmentMember		 504,329,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AirTransportationEquipmentMember		      
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		      
Other Depreciable Assets [Member]                            
Property, Plant and Equipment [Line Items]                            
Capital expenditures                 125,466,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember		 64,889,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember		 67,096,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember		      
Construction in Progress [Member]                            
Property, Plant and Equipment [Line Items]                            
Capital expenditures                 $ 440,900,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember		 $ 529,400,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember		 $ 312,700,000us-gaap_PaymentsToAcquireProductiveAssets
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember