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Shareholders' Equity (Successor) Shareholders' Equity (Successor) (Details)
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12 Months Ended | 12 Months Ended | ||
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Mar. 31, 2013
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Mar. 31, 2012
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Mar. 31, 2013
Successor [Member]
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Dec. 31, 2011
Successor [Member]
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| Shareholders' Equity Successor [Line Items] | ||||
| Common stock, shares authorized | 150,000,000 | 150,000,000 | 150,000,000 | |
| Preferred stock, shares authorized | 10,000,000 | 10,000,000 | 10,000,000 | |
| Preferred stock, shares outstanding | 0 | 0 | 0 | |
| Stock split | 192.458681 | 192.458681 |
| X | ||||||||||
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- Details
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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
The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) 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
Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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