v2.4.1.9

COMMITMENTS AND CONTINGENCIES (Details) (USD $) | 3 Months Ended | 9 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2014 aircraft Agreements Facility | Dec. 31, 2013 aircraft | Dec. 31, 2014 aircraft Agreements Facility | Dec. 31, 2013 aircraft | Sep. 30, 2014 aircraft | Jun. 30, 2014 aircraft | Feb. 20, 2014 Recommendation
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Number of signed client contracts | 16 brs_NumberOfSignedClientContracts |  | 16 brs_NumberOfSignedClientContracts |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Aircraft Delivered | (6)brs_NumberOfAircraftDelivered | (7)brs_NumberOfAircraftDelivered | (17)brs_NumberOfAircraftDelivered | (17)brs_NumberOfAircraftDelivered |  |  |
Operating leases rental expense | $ 46,300,000 us-gaap_OperatingLeasesRentExpenseNet | $ 28,300,000 us-gaap_OperatingLeasesRentExpenseNet | $ 114,800,000 us-gaap_OperatingLeasesRentExpenseNet | $ 74,600,000 us-gaap_OperatingLeasesRentExpenseNet |  |  |
Number of aircraft sale leaseback | 0 brs_NumberOfAircraftSaleLeaseback | 6 brs_NumberOfAircraftSaleLeaseback | 14 brs_NumberOfAircraftSaleLeaseback | 13 brs_NumberOfAircraftSaleLeaseback |  |  |
Sale leaseback transaction, gross proceeds |  | 72,300,000 us-gaap_SaleLeasebackTransactionGrossProceedsInvestingActivities | 380,700,000 us-gaap_SaleLeasebackTransactionGrossProceedsInvestingActivities | 217,900,000 us-gaap_SaleLeasebackTransactionGrossProceedsInvestingActivities |  |  |
Number of agreements to lease back aircraft | 0 brs_Numberofagreementstoleasebackaircraft |  | 14 brs_Numberofagreementstoleasebackaircraft |  |  |  |
Lease terms of the aircrafts |  |  | The aircraft leases range from base terms of up to 180 months with renewal options of up to 240 months in some cases, include purchase options upon expiration and some include early purchase options. |  |  |  |
Monthly Rent payment |  |  | 12,144,000 us-gaap_SaleLeasebackTransactionMonthlyRentalPayments |  |  |  |
Number of leased aircraft | 81 brs_NumberOfLeasedAircraft |  | 81 brs_NumberOfLeasedAircraft |  |  |  |
Collective Bargaining Agreements, Maximum Annual Escalation Per Employee, Percent | 8.00%brs_CollectiveBargainingAgreementsMaximumAnnualEscalationPerEmployeePercent |  |  |  |  |  |
Site Contingency, Number of Locations | 3 brs_SiteContingencyNumberofLocations |  | 3 brs_SiteContingencyNumberofLocations |  |  |  |
Total Number Of Safety Recommendations, CAP 1145 |  |  |  |  |  |  | 60 brs_TotalNumberOfSafetyRecommendationsCAP1145
Number Of Recommendations To Improve Survivability, CAP 1145 |  |  |  |  |  |  | 10 brs_NumberOfRecommendationsToImproveSurvivabilityCAP1145
Loss Contingency, Range of Possible Loss, Minimum | 5,000,000 us-gaap_LossContingencyRangeOfPossibleLossMinimum |  | 5,000,000 us-gaap_LossContingencyRangeOfPossibleLossMinimum |  |  |  |
Loss Contingency, Range of Possible Loss, Maximum | 8,000,000 us-gaap_LossContingencyRangeOfPossibleLossMaximum |  | 8,000,000 us-gaap_LossContingencyRangeOfPossibleLossMaximum |  |  |  |
Maximum [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Sale Leaseback Transaction, Lease Terms, Number of Months |  |  | 180 brs_SaleLeasebackTransactionLeaseTermsNumberofMonths / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |
Sale Leaseback Transaction, Lease Terms, Number of Months, Renewal Option |  |  | 240 brs_SaleLeasebackTransactionLeaseTermsNumberofMonthsRenewalOption / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |
North America [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Work force reductions costs |  |  | 900,000 us-gaap_SeveranceCosts1 / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember | 1,700,000 us-gaap_SeveranceCosts1 / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember |  |  |
Unionized Employees Concentration Risk [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Concentration Risk, Percentage | 51.00%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_UnionizedEmployeesConcentrationRiskMember |  |  |  |  |  |
Medium Aircraft [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Aircraft Delivered | (2)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember | (3)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember | (5)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember | (8)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |
Large Aircraft [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Aircraft Delivered | (4)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember | (4)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember | (12)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember | (9)brs_NumberOfAircraftDelivered / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |
Aircraft [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Operating leases rental expense | 40,100,000 us-gaap_OperatingLeasesRentExpenseNet / us-gaap_AircraftTypeAxis = brs_AircraftMember | 22,300,000 us-gaap_OperatingLeasesRentExpenseNet / us-gaap_AircraftTypeAxis = brs_AircraftMember | 95,000,000 us-gaap_OperatingLeasesRentExpenseNet / us-gaap_AircraftTypeAxis = brs_AircraftMember | 58,400,000 us-gaap_OperatingLeasesRentExpenseNet / us-gaap_AircraftTypeAxis = brs_AircraftMember |  |  |
Commitments [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Number of contingent aircraft | 5 brs_NumberOfContingentAircraft / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  | 5 brs_NumberOfContingentAircraft / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Beginning of quarter | 35 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  | 43 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  | 37 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember | 43 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |
Aircraft Delivered | (3)brs_NumberOfAircraftDelivered / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  |  |  | (2)brs_NumberOfAircraftDelivered / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember | (9)brs_NumberOfAircraftDelivered / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |
Aircraft ordered | 3 brs_NumberOfAircraftOrdered / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  |  |  | 0 brs_NumberOfAircraftOrdered / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember | 0 brs_NumberOfAircraftOrdered / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |
Exercised options | 2 brs_ExercisedOptions / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  |  |  | 0 brs_ExercisedOptions / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember | 3 brs_ExercisedOptions / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |
Expired Options | 0 brs_ExpiredOptions / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  |  |  | 0 brs_ExpiredOptions / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember | 0 brs_ExpiredOptions / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |
End of quarter | 37 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  | 37 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |  | 35 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember | 37 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = us-gaap_CommitmentsMember |
Options [Member] |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Number of contingent aircraft | 7 brs_NumberOfContingentAircraft / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  | 7 brs_NumberOfContingentAircraft / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Beginning of quarter | 48 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  | 55 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  | 51 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember | 55 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |
Aircraft Delivered | 0 brs_NumberOfAircraftDelivered / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  |  |  | 0 brs_NumberOfAircraftDelivered / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember | 0 brs_NumberOfAircraftDelivered / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |
Aircraft ordered | 0 brs_NumberOfAircraftOrdered / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  |  |  | 0 brs_NumberOfAircraftOrdered / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember | 0 brs_NumberOfAircraftOrdered / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |
Exercised options | (2)brs_ExercisedOptions / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  |  |  | 0 brs_ExercisedOptions / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember | (3)brs_ExercisedOptions / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |
Expired Options | (7)brs_ExpiredOptions / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  |  |  | (3)brs_ExpiredOptions / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember | (1)brs_ExpiredOptions / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |
End of quarter | 39 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  | 39 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |  | 48 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember | 51 brs_NumberOfAircraftBalance / brs_AircraftPurchaseContractsTypeAxis = brs_OptionsMember |
Other Commitments [Member] |  |  |  |  |  |  |
Commitments [Abstract] |  |  |  |  |  |  |
Purchase commitments | 318,600,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_OtherCommitmentsMember |  | 318,600,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_OtherCommitmentsMember |  |  |  |
Aircraft [Member] |  |  |  |  |  |  |
Commitments [Abstract] |  |  |  |  |  |  |
Number of aircraft purchase commitments, due remainder of fiscal year | 8 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 8 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase commitments, due in two years | 23 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 23 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase commitments, due in three years | 5 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 5 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase commitments, due in four years | 1 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 1 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase commitments, due in five years and after | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase commitments | 37 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 37 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Purchase commitments, due remainder of year | 123,232,000 us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 123,232,000 us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Purchase commitments, Due within Two Years | 388,328,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 388,328,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Purchase commitments, Due within Three Years | 68,121,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 68,121,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Purchase commitments, Due within Four Years | 11,689,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 11,689,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Purchase commitments, Due within Five Years And After | 0 brs_UnrecordedUnconditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Purchase commitments | 591,370,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 591,370,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Options [Abstract] |  |  |  |  |  |  |
Number of aircraft purchase options, due remainder of fiscal year | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase options, due in two years | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase options, due in three years | 18 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 18 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase options, due in four years | 17 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 17 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase options, due in five years and after | 4 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 4 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Number of aircraft purchase options | 39 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 39 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Aircraft purchase options, due remainder of year | 7,647,000 brs_UnrecordedConditionalPurchaseObligatioDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 7,647,000 brs_UnrecordedConditionalPurchaseObligatioDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Aircraft purchase options, due in two years | 107,238,000 brs_UnrecordedConditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 107,238,000 brs_UnrecordedConditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Aircraft purchase options, due in three years | 371,133,000 brs_UnrecordedConditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 371,133,000 brs_UnrecordedConditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Aircraft purchase options, due in four years | 243,293,000 brs_UnrecordedConditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 243,293,000 brs_UnrecordedConditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Aircraft purchase options, due in five years and after | 47,322,000 brs_UnrecordedConditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 47,322,000 brs_UnrecordedConditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Aircraft purchase options | 776,633,000 brs_UnrecordedConditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  | 776,633,000 brs_UnrecordedConditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember |  |  |  |
Aircraft [Member] | Medium Aircraft [Member] |  |  |  |  |  |  |
Commitments [Abstract] |  |  |  |  |  |  |
Number of aircraft purchase commitments, due remainder of fiscal year | 3 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 3 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in two years | 7 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 7 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in three years | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in four years | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in five years and after | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase commitments | 10 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 10 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Options [Abstract] |  |  |  |  |  |  |
Number of aircraft purchase options, due remainder of fiscal year | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase options, due in two years | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase options, due in three years | 7 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 7 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase options, due in four years | 7 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 7 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase options, due in five years and after | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Number of aircraft purchase options | 14 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  | 14 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAircraftMember |  |  |  |
Aircraft [Member] | Large Aircraft [Member] |  |  |  |  |  |  |
Commitments [Abstract] |  |  |  |  |  |  |
Number of aircraft purchase commitments, due remainder of fiscal year | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in two years | 10 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 10 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in three years | 5 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 5 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in four years | 1 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 1 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase commitments, due in five years and after | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase commitments | 16 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 16 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Options [Abstract] |  |  |  |  |  |  |
Number of aircraft purchase options, due remainder of fiscal year | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase options, due in two years | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 0 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase options, due in three years | 11 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 11 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase options, due in four years | 10 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 10 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase options, due in five years and after | 4 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 4 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Number of aircraft purchase options | 25 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  | 25 brs_UnrecordedConditionalPurchaseObligationMaximumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_LargeAircraftMember |  |  |  |
Aircraft [Member] | Medium and Large [Member] |  |  |  |  |  |  |
Commitments [Abstract] |  |  |  |  |  |  |
Purchase commitments, due remainder of year | 62,809,000 us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  | 62,809,000 us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  |  |  |
Purchase commitments, Due within Two Years | 288,181,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  | 288,181,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  |  |  |
Purchase commitments, Due within Three Years | 68,121,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  | 68,121,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  |  |  |
Purchase commitments, Due within Four Years | 11,689,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  | 11,689,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  |  |  |
Purchase commitments, Due within Five Years And After | 0 brs_UnrecordedUnconditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  |  |  |
Purchase commitments | 430,800,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  | 430,800,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_MediumAndLargeMember |  |  |  |
Aircraft [Member] | SAR Configured [Member] |  |  |  |  |  |  |
Commitments [Abstract] |  |  |  |  |  |  |
Number of aircraft purchase commitments, due remainder of fiscal year | 5 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 5 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Number of aircraft purchase commitments, due in two years | 6 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 6 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearTwo / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Number of aircraft purchase commitments, due in three years | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearThree / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Number of aircraft purchase commitments, due in four years | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFour / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Number of aircraft purchase commitments, due in five years and after | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequiredDueInYearFiveAndThereafter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Number of aircraft purchase commitments | 11 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 11 us-gaap_UnrecordedUnconditionalPurchaseObligationMinimumQuantityRequired / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Purchase commitments, due remainder of year | 60,423,000 us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 60,423,000 us-gaap_UnrecordedUnconditionalPurchaseObligationDueInRemainderOfFiscalYear / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Purchase commitments, Due within Two Years | 100,147,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 100,147,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Purchase commitments, Due within Three Years | 0 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 0 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Purchase commitments, Due within Four Years | 0 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 0 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Purchase commitments, Due within Five Years And After | 0 brs_UnrecordedUnconditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 0 brs_UnrecordedUnconditionalPurchaseObligationDuewithinFiveYearsAndAfter / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Purchase commitments | 160,570,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  | 160,570,000 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount / brs_AircraftPurchaseContractsTypeAxis = brs_AircraftMember / us-gaap_AircraftTypeAxis = brs_OtherAircraftTypeMember |  |  |  |
Remainder of FY2015 to FY2016 [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Monthly Rent payment |  |  | 706,000 us-gaap_SaleLeasebackTransactionMonthlyRentalPayments / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearOneAndTwoMember |  |  |  |
Number of leased aircraft | 7 brs_NumberOfLeasedAircraft / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearOneAndTwoMember |  | 7 brs_NumberOfLeasedAircraft / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearOneAndTwoMember |  |  |  |
FY2017 to FY2019 [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Monthly Rent payment |  |  | 4,588,000 us-gaap_SaleLeasebackTransactionMonthlyRentalPayments / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearsThreeToFiveMember |  |  |  |
Number of leased aircraft | 28 brs_NumberOfLeasedAircraft / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearsThreeToFiveMember |  | 28 brs_NumberOfLeasedAircraft / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearsThreeToFiveMember |  |  |  |
FY2020 to FY2024 [Member] |  |  |  |  |  |  |
Analysis Of Aircraft Orders And Options [Line Items] |  |  |  |  |  |  |
Monthly Rent payment |  |  | $ 6,850,000 us-gaap_SaleLeasebackTransactionMonthlyRentalPayments / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearSixAndThereafterMember |  |  |  |
Number of leased aircraft | 46 brs_NumberOfLeasedAircraft / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearSixAndThereafterMember |  | 46 brs_NumberOfLeasedAircraft / brs_AircraftOperatingLeaseTermsAxis = brs_FiscalYearSixAndThereafterMember |  |  |  |

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- Definition Maximum escalation percentage of gross pay the company must pay for employees represented by collective bargaining agreements and/or unions. + References No definition available. + Details
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- Definition Number of exercised options for aircraft during the period. + References No definition available. + Details
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- Definition Number of expired options for aircraft during the period. + References No definition available. + Details
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- Definition Number of agreements to lease back aircraft from a sale leaseback transaction. + References No definition available. + Details
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- Definition Number of aircraft balance. + References No definition available. + Details
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- Definition Number of aircraft delivered during the period. + References No definition available. + Details
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- Definition Number of aircraft ordered during the period. + References No definition available. + Details
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- Definition The number of asset(s) sold in connection with the transaction involving the sale of property to another party and the lease back to the seller. + References No definition available. + Details
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- Definition Number of aircraft subject to the successful development and certification of the aircraft. + References No definition available. + Details
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- Definition Total number of training aircraft delivered. + References No definition available. + Details
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- Definition The total number of safety recommendations that are designed to improve the survivability of passengers and crew issued by the U.K. CAA commonly in the report known as CAP1145. + References No definition available. + Details
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- Definition Total number of aircraft with signed client contracts in place. + References No definition available. + Details
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- Definition The number of months in the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller + References No definition available. + Details
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- Definition The number of months for a renewal option in the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References No definition available. + Details
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- Definition Number of locations were the company is named as a potential responsible party. + References No definition available. + Details
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- Definition The total number of safety actions and recommendations to improve the safety of offshore helicopter support issued by the U.K. CAA commonly in the report known as CAP1145. + References No definition available. + Details
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- Definition Amount of the fixed and determinable portion of the unrecorded conditional purchase obligation maturing in the remainder of the 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. + References No definition available. + Details
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- Definition Amount of the fixed and determinable portion of the unrecorded conditional purchase obligation maturing in 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. + References No definition available. + Details
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- Definition Amount of the unrecorded conditional obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References No definition available. + Details
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- Definition Amount of the fixed and determinable portion of the unrecorded conditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year and beyond. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition The maximum number of units that may be purchased, in connection with an conditional purchase obligation that has not been recognized for financial reporting purposes. + References No definition available. + Details
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- Definition The maximum number of units that may be purchased maturing in the third fiscal year following the latest fiscal year, in connection with an conditional purchase obligation that has not been recognized for financial reporting purposes. + References No definition available. + Details
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- Definition The minimum number of units that must be purchased maturing in the remainder of the fiscal year following the latest fiscal year, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes. + References No definition available. + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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- Definition The estimated maximum amount of possible loss from the contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition The estimated minimum amount of possible loss from the contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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- Definition Amount of cash inflow before closing and deferred financing costs received by a seller-lessee in a sale-leaseback recognized in investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 51 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51840-112757 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51831-112757 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51843-112757 + Details
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- Definition The amount of the monthly rental payments due under the lease entered into in connection with the transactions involving the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6456341&loc=d3e50796-112755 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25336-109308 + Details
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