Consolidated Statements Of Shareholders' Equity (Parenthetical) (USD $) In Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2011 |
Dec. 31, 2010 |
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| Consolidated Statements Of Shareholders' Equity [Abstract] | ||
| Issuance of common stock from stock-based compensation awards, tax benefit | $ 5,133 | $ 2,064 |
| X | ||||||||||
- Definition Adjustment to additional paid in capital related to the net effect of excess tax benefits and tax deficiencies associated with an equity-based compensation plan other than an employee stock ownership plan (ESOP).
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| X | ||||||||||
- Details
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