Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Share-Based Compensation [Abstract]

Summary of stock option activity

				Weighted-
				Average
	Stock			Exercise
	Options			Price
Outstanding at December 31, 2010		3,323		$	16.45
Exercised		(242	)	$	10.14
Canceled		(3	)		17.04
Outstanding at June 30, 2011		3,078		$	16.94
Exercisable at June 30, 2011		2,739		$	16.93
Vested and expected to vest at June 30, 2011		3,063		$	16.94

Summary of nonvested stock activity

				Grant Date
				Weighted-
				Average Fair
				Value
	Shares			Per Share
Outstanding at December 31, 2010		686,511		$	26.16
Granted		1,148,046		$	20.27
Vested		(268,215	)	$	30.83
Forfeited/Canceled		(1,896	)	$	30.35
Outstanding at June 30, 2011		1,564,446		$	21.03