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Period Type:	instant

-- None. No documentation exists for this element. --

No definition available.

Name:	brs_AnnualMaturitiesAbstract
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Data Type:	xbrli:stringItemType
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Period Type:	duration

The maximum cash dividends per common stock amount allowed per debt agreement.

No definition available.

Name:	brs_DebtAgreementMaximumCommonStockDividendPerShare
Namespace Prefix:	brs_
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Period Type:	duration

Percentage price of original principal amount of debt at which the issuer may require holder to repurchase.

No definition available.

Name:	brs_DebtInstrumentConvertibleRepurchasePricePercentageOfPrincipal
Namespace Prefix:	brs_
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Period Type:	duration

Period of time between current period end and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Namespace Prefix:	brs_
Data Type:	xbrli:durationItemType
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Period Type:	duration

The denominator amount of the coverage ratio the borrower must have at the end of the period set forth in the debt agreement.

No definition available.

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Namespace Prefix:	brs_
Data Type:	xbrli:pureItemType
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The denominator amount of the coverage ratio the borrower must have at the end of the fourth period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioDenominatorPeriodFour
Namespace Prefix:	brs_
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The denominator amount of the coverage ratio the borrower must have at the end of the first period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioDenominatorPeriodOne
Namespace Prefix:	brs_
Data Type:	xbrli:pureItemType
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The denominator amount of the coverage ratio the borrower must have at the end of the third period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioDenominatorPeriodThree
Namespace Prefix:	brs_
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The denominator amount of the coverage ratio the borrower must have at the end of the second period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioDenominatorPeriodTwo
Namespace Prefix:	brs_
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The minimum amount of the coverage ratio (numerator amount) the borrower must have at the end of the period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioNumeratorMinimum
Namespace Prefix:	brs_
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The minimum amount of the coverage ratio (numerator amount) the borrower must have at the end of the fourth period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioNumeratorMinimumPeriodFour
Namespace Prefix:	brs_
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The minimum amount of the coverage ratio (numerator amount) the borrower must have at the end of the first period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioNumeratorMinimumPeriodOne
Namespace Prefix:	brs_
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The minimum amount of the coverage ratio (numerator amount) the borrower must have at the end of the third period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioNumeratorMinimumPeriodThree
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The minimum amount of the coverage ratio (numerator amount) the borrower must have at the end of the second period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCoverageRatioNumeratorMinimumPeriodTwo
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The minimum amount of the current ratio (denominator amount) the borrower must have at the end of the period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCurrentRatioDenominatorMinimum
Namespace Prefix:	brs_
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The minimum amount of the current ratio (numerator amount) the borrower must have at the end of the period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredCurrentRatioNumeratorMinimum
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The denominator amount of the leverage ratio (numerator amount) the borrower must have at the end of the period set forth in the debt agreement.

No definition available.

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Namespace Prefix:	brs_
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The denominator amount of the leverage ratio the borrower must have at the end of the fourth period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioDenominatorPeriodFour
Namespace Prefix:	brs_
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The denominator amount of the leverage ratio (numerator amount) the borrower must have at the end of the first period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioDenominatorPeriodOne
Namespace Prefix:	brs_
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The denominator amount of the leverage ratio the borrower must have at the end of the third period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioDenominatorPeriodThree
Namespace Prefix:	brs_
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The denominator amount of the leverage ratio the borrower must have at the end of the second period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioDenominatorPeriodTwo
Namespace Prefix:	brs_
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The maximum amount of the leverage ratio (numerator amount) the borrower must have at the end of the period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioNumeratorMaximum
Namespace Prefix:	brs_
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The maximum amount of the leverage ratio (numerator amount) the borrower must have at the end of the fourth period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioNumeratorMaximumPeriodFour
Namespace Prefix:	brs_
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The maximum amount of the leverage ratio (numerator amount) the borrower must have at the end of the first period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioNumeratorMaximumPeriodOne
Namespace Prefix:	brs_
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The maximum amount of the leverage ratio (numerator amount) the borrower must have at the end of the third period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioNumeratorMaximumPeriodThree
Namespace Prefix:	brs_
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The maximum amount of the leverage ratio (numerator amount) the borrower must have at the end of the second period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredLeverageRatioNumeratorMaximumPeriodTwo
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The denominator amount of the senior secured leverage ratio the borrower must have at the end of the second period and thereafter set forth in the debt agreement.

No definition available.

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Namespace Prefix:	brs_
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The denominator amount of the senior secured leverage ratio the borrower must have at the end of the first period set forth in the debt agreement.

No definition available.

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Namespace Prefix:	brs_
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The maximum amount of the senior secured leverage ratio (numerator amount) the borrower must have at the end of the second period and thereafter set forth in the debt agreement.

No definition available.

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Namespace Prefix:	brs_
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The maximum amount of the senior secured leverage ratio (numerator amount) the borrower must have at the end of the first period set forth in the debt agreement.

No definition available.

Name:	brs_DebtInstrumentRequiredSeniorSecuredLeverageRatioNumeratorMaximumPeriodOne
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The leverage ratio minimum denominator amount to exceed to earn certain additional indebtedness.

No definition available.

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Data Type:	xbrli:pureItemType
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The leverage ratio minimum numerator amount to exceed to earn certain additional indebtedness.

No definition available.

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Data Type:	xbrli:pureItemType
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The maximum additional amount of indebtedness allowed per debt agreement if leverage ratio is exceeded.

No definition available.

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Data Type:	xbrli:monetaryItemType
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The number of consecutive quarters that are under scope when evaluating financial ratios under debt agreement.

No definition available.

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The percentage of capital stock from domestic subsidiary that is guaranteed if default on loan occurs.

No definition available.

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The percentage of foreign stock from domestic subsidiary that is guaranteed if default on loan occurs.

No definition available.

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Data Type:	num:percentItemType
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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.

No definition available.

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

No definition available.

Name:	brs_TotalConsiderationPaid
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The maximum leverage ratio denominator amount before the increase in the applicable margin on loans and the commitment fee on unused amounts of revolving commitments.

No definition available.

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The maximum leverage ratio numerator amount before the increase in the applicable margin on loans and the commitment fee on unused amounts of revolving commitments.

No definition available.

Name:	brs_TriggerPointMaximumLeverageRatioNumeratorAmount
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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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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond 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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Percentage of principal amount of debt redeemed.

No definition available.

Name:	us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
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Fair value amount of debt instrument that was repurchased.

No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_DebtInstrumentTerm
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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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Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

No definition available.

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

No definition available.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of interest capitalized, including amount of allowance for funds used during construction.

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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 amount of cash paid for interest during the period.

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

No definition available.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

No definition available.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates 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.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates 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.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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

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

No definition available.

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

No definition available.

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

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