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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (PARANTHETICAL) (USD $)
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Dec. 31, 2014
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Mar. 31, 2014
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| Statement of Financial Position [Abstract] | ||
| Common stock, par value | $ 0.01us-gaap_CommonStockParOrStatedValuePerShare | $ 0.01us-gaap_CommonStockParOrStatedValuePerShare |
| Common stock, shares authorized | 90,000,000us-gaap_CommonStockSharesAuthorized | 90,000,000us-gaap_CommonStockSharesAuthorized |
| Common stock, shares outstanding | 34,755,891us-gaap_CommonStockSharesOutstanding | 35,708,469us-gaap_CommonStockSharesOutstanding |
| Treasury stock, shares acquired, par value method | 1,291,441brs_TreasuryStockSharesAcquiredParValueMethod | 1,291,441brs_TreasuryStockSharesAcquiredParValueMethod |
| Treasury stock, shares | 2,756,419us-gaap_TreasuryStockShares | 1,595,479us-gaap_TreasuryStockShares |
| X | ||||||||||
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- Definition
Treasury Stock, Shares, Acquired Par Value Method No definition available.
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| X | ||||||||||
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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