Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

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

Weighted-average assumptions for options issued during the indicated periods

	Six Months Ended June 30,
	2012
Dividend yield	0		%
Expected volatility	61.2		%
Risk-free interest rate	0.8		%
Expected life of stock option awards (in years)	4.3
Weighted-average grant-date fair value	$	15.71

Stock option activity

	Shares	Wtd. Avg. Exercise Price
Options outstanding, beginning of period	1,585,594	$	33.13
Options granted	—	$	—
Options canceled	(23,026)	$	44.90
Options exercised	—	$	—
Options outstanding, end of period	1,562,568	$	32.96
Options exercisable, end of period	1,276,225	$	32.44

Restricted stock activity

	Shares		Wtd. Avg. Grant Price
Restricted shares outstanding, beginning of period	896,164		$	33.38
Restricted shares granted	630,930		$	15.36
Restricted shares canceled	(16,271	)	$	24.68
Restricted shares vested	(366,905	)	$	32.85
Restricted shares outstanding, end of period	1,143,918		$	23.74