Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of stock option activity

	Stock Options		Weighted- Average Exercise Price
Outstanding at December 31, 2011	3,776		$	16.92
Granted	—		$	—
Exercised	(188	)	$	15.35
Canceled	(39	)	$	20.13
Outstanding at June 30, 2012	3,549		$	16.96
Exercisable at June 30, 2012	2,655		$	17.30
Vested and expected to vest at June 30, 2012	3,509		$	16.98

Summary of nonvested stock activity

	Shares		Grant Date Weighted- Average Fair Value Per Share
Outstanding at December 31, 2011	1,516		$	20.76
Granted	50		$	22.32
Vested	(364	)	$	22.68
Forfeited/Canceled	2		$	25.10
Outstanding at June 30, 2012	1,204		$	20.25