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Valuation and Qualifying Accounts
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12 Months Ended |
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Dec. 31, 2011
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| Valuation and Qualifying Accounts [Abstract] | |
| Summary of Valuation and Qualifying Accounts | Summary of Valuation and Qualifying Accounts |
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- Definition
The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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