Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

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

Weighted-average assumptions for options issued during the indicated periods

	Three Months Ended March 31,
	2012
Dividend yield	0		%
Expected volatility	61.2		%
Risk-free interest rate	0.8		%
Expected life of options (in years)	4.4
Weighted-average grant-date fair value	$	15.96

Stock option activity

	Shares	Wtd. Avg. Exercise Price
Options outstanding, beginning of period	1,585,594	$	33.13
Options granted	—	$	—
Options canceled	(22,695)	$	45.01
Options exercised	—	$	—
Options outstanding, end of period	1,562,899	$	32.96
Options exercisable, end of period	1,263,903	$	32.49

Restricted stock activity

	Shares		Wtd. Avg. Grant Price
Restricted shares outstanding, beginning of period	896,164		$	33.38
Restricted shares granted	575,080		$	15.47
Restricted shares canceled	(3,235	)	$	34.67
Restricted shares vested	(338,372	)	$	33.14
Restricted shares outstanding, end of period	1,129,637		$	24.34