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Consolidated Statements Of Stockholders' Equity (Deficit) (Parenthetical)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Statement Of Stockholders Equity [Abstract]
Issuance of shares to employees pursuant to stock option and deferred stock incentive plans	0	1,813,073	825,397

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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