v2.4.1.9

DEBT (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Mar. 31, 2014
Debt Instrument [Line Items]
Total debt	$ 818,188,000us-gaap_DebtLongtermAndShorttermCombinedAmount		$ 818,188,000us-gaap_DebtLongtermAndShorttermCombinedAmount		$ 841,302,000us-gaap_DebtLongtermAndShorttermCombinedAmount
Less short-term borrowings and current maturities of long-term debt	(14,277,000)us-gaap_DebtCurrent		(14,277,000)us-gaap_DebtCurrent		(14,207,000)us-gaap_DebtCurrent
Total long-term debt	803,911,000us-gaap_LongTermDebtNoncurrent		803,911,000us-gaap_LongTermDebtNoncurrent		827,095,000us-gaap_LongTermDebtNoncurrent
Write-off of deferred debt financing fees			660,000us-gaap_WriteOffOfDeferredDebtIssuanceCost	12,733,000us-gaap_WriteOffOfDeferredDebtIssuanceCost
Proceeds from borrowings			347,860,000us-gaap_ProceedsFromIssuanceOfDebt	283,977,000us-gaap_ProceedsFromIssuanceOfDebt
Letters of Credit Outstanding, Amount	500,000us-gaap_LettersOfCreditOutstandingAmount		500,000us-gaap_LettersOfCreditOutstandingAmount
Long Term Convertible Debt Current And Noncurrent [Abstract]
Amortization of debt discount			3,212,000us-gaap_AmortizationOfDebtDiscountPremium	2,719,000us-gaap_AmortizationOfDebtDiscountPremium
Senior Notes [Member] | Senior Notes Due 2022 [Member]
Debt Instrument [Line Items]
Total debt	401,535,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		401,535,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		450,000,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Other income (expense)	(700,000)us-gaap_OtherNonoperatingIncomeExpense / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		(2,600,000)us-gaap_OtherNonoperatingIncomeExpense / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Write-off of deferred debt financing fees	200,000us-gaap_WriteOffOfDeferredDebtIssuanceCost / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		660,000us-gaap_WriteOffOfDeferredDebtIssuanceCost / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Debt Instrument, Interest Rate, Stated Percentage	6.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		6.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Senior Notes [Member] | Senior Notes Due 2022 [Member] | Maximum [Member]
Debt Instrument [Line Items]
Repurchase premium rate	104.25%brs_Redemptionpremiumrate / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember		107.75%brs_Redemptionpremiumrate / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Senior Notes [Member] | Senior Notes Due 2022 [Member] | Minimum [Member]
Debt Instrument [Line Items]
Repurchase premium rate	103.75%brs_Redemptionpremiumrate / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / us-gaap_RangeAxis = us-gaap_MinimumMember		103.75%brs_Redemptionpremiumrate / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Senior Notes [Member] | Senior Notes Due 2022 [Member] | Quarter To Date [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount	17,200,000us-gaap_DebtInstrumentRepurchaseAmount / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_QuarterToDateMember		17,200,000us-gaap_DebtInstrumentRepurchaseAmount / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_QuarterToDateMember
Total consideration paid	18,300,000brs_TotalConsiderationPaid / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_QuarterToDateMember		18,300,000brs_TotalConsiderationPaid / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_QuarterToDateMember
Senior Notes [Member] | Senior Notes Due 2022 [Member] | Year To Date [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount	48,500,000us-gaap_DebtInstrumentRepurchaseAmount / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_YearToDateMember		48,500,000us-gaap_DebtInstrumentRepurchaseAmount / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_YearToDateMember
Total consideration paid	52,000,000brs_TotalConsiderationPaid / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_YearToDateMember		52,000,000brs_TotalConsiderationPaid / us-gaap_DebtInstrumentAxis = brs_SeniorNotesDue2022Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember / brs_PeriodAxis = brs_YearToDateMember
Senior Notes [Member] | Convertible Senior Notes Due 2038 [Member]
Debt Instrument [Line Items]
Total debt	113,025,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		113,025,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		109,904,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Debt Instrument, Interest Rate, Stated Percentage	3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Long Term Convertible Debt Current And Noncurrent [Abstract]
Equity component- net carrying value	14,905,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		14,905,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		14,905,000us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Debt Instrument, Face Amount	115,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		115,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		115,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Debt component- unamortized discount	(1,975,000)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		(1,975,000)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		(5,096,000)us-gaap_DebtInstrumentUnamortizedDiscount / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Debt Instrument, Convertible, Effective Interest Rate	6.90%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember		6.90%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Contractual coupon interest	862,000us-gaap_InterestExpenseDebtExcludingAmortization / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	862,000us-gaap_InterestExpenseDebtExcludingAmortization / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	2,588,000us-gaap_InterestExpenseDebtExcludingAmortization / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	2,588,000us-gaap_InterestExpenseDebtExcludingAmortization / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Amortization of debt discount	1,054,000us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	985,000us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	3,121,000us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	2,695,000us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Total interest expense	1,916,000us-gaap_InterestExpenseDebt / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	1,847,000us-gaap_InterestExpenseDebt / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	5,709,000us-gaap_InterestExpenseDebt / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember	5,283,000us-gaap_InterestExpenseDebt / us-gaap_DebtInstrumentAxis = brs_ConvertibleSeniorNotesDue2038Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SeniorNotesMember
Term Loan [Member]
Debt Instrument [Line Items]
Total debt	223,288,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_TermLoanMember		223,288,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_TermLoanMember		226,604,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_TermLoanMember
Repayment of debt			3,400,000us-gaap_RepaymentsOfDebt / us-gaap_LongtermDebtTypeAxis = brs_TermLoanMember
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	58,500,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember		58,500,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember		24,000,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
Proceeds from borrowings			346,500,000us-gaap_ProceedsFromIssuanceOfDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
Repayment of debt			312,000,000us-gaap_RepaymentsOfDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_RevolvingCreditFacilityMember
Eastern Airways [Member]
Debt Instrument [Line Items]
Total debt	21,840,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_EasternAirwaysInternationalLimitedMember		21,840,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_EasternAirwaysInternationalLimitedMember		29,911,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_EasternAirwaysInternationalLimitedMember
Other debt [Member]
Debt Instrument [Line Items]
Total debt	$ 0us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_OtherDebtMember		$ 0us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_OtherDebtMember		$ 883,000us-gaap_DebtLongtermAndShorttermCombinedAmount / us-gaap_LongtermDebtTypeAxis = brs_OtherDebtMember

X

- Definition

The redemption premium rate of the excess of the (1) fair value of consideration transferred to the holders of a security in excess of (2) the carrying amount of the security reported on the registrant's balance sheet, which will be deducted from net earnings to derive net earnings available to common shareholders.

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- Definition

Total amount of consideration paid including related expenses to repurchase debt.

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Fair value amount of debt instrument that was repurchased.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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- Definition

The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.9)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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