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Treasury Stock and Share Based Awards (Tables)

3 Months Ended

Mar. 31, 2012

Treasury Stock and Share Based Awards [Abstract]

Treasury stock

		Number of
		Treasury
		Shares				Cost
Balance at January 1, 2012			3,391,592			$	45,219
Restricted stock withholdings ( 1 )			122,043				2,700
Balance at March 31, 2012			3,513,635			$	47,919

⁽¹⁾  The Company withheld restricted shares as a result of the election by certain employees to satisfy their tax liabilities upon vesting in restricted stock. The Company determined the number of shares to be withheld based upon market values ranging from $21.95 to $22.40 per share.

Stock Options

		Number of Options				Weighted Average Exercise Price				Aggregate Intrinsic Value
Outstanding at January 1, 2012			82,166			$	7.63
Exercised			(200	)		$	7.63
Outstanding at March 31, 2012			81,966			$	7.63			$	1,174
Options exercisable at March 31, 2012			81,966			$	7.63			$	1,174

Restricted stock

		Shares of				Weighted Average
		Restricted				Grant Date
		Stock				Fair Value
Outstanding at January 1, 2012			1,384,390			$	16.85
Granted			618,230			$	21.63
Vested			(347,091	)		$	17.75
Outstanding at March 31, 2012			1,655,529			$	18.45
Unvested restricted stock at March 31, 2012			1,655,529			$	18.45

Number of shares vested under restricted stock unit awards

		Number of
		Shares				Value at
		Vesting				Grant
at IRR of at least 8.5%			50,981			$	1,103
at IRR of at least 10.5%			101,974			$	2,206
at IRR of at least 12.5%			152,955			$	3,308

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Tabular disclosure of an entity's treasury stock, including the average cost per share, carrying basis for each class of treasury stock, description of share repurchase program authorized by an entity's board of directors, the number of shares repurchased, the cost of the shares repurchased, the remaining maximum dollar value of shares available for repurchase under the program, the treatment of the purchase price in excess of the current market value, number of shares held for each class of treasury stock, and other information necessary to a fair presentation.

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