Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Postemployment Benefits [Abstract]

Summary of Stock or Stock Option Activity under 2006 EIP and 2013 LTIP

The following table presents the stock or stock option activity under the 2006 EIP and 2013 LTIP for the six months ended June 30, 2016.

				Options Outstanding
	Stock or Options Available for Grant			Number of Shares			Weighted Average Exercise Price
Balance at January 1, 2016		5,868,283			2,280,030		$	27.08
Options exercised		—			(29,475	)		13.12
Options canceled or forfeited (2013 LTIP)		9,074			(9,074	)		23.40
Options canceled or forfeited (2006 EIP)		—			(17,807	)		33.27
Restricted stock granted		(625,389	)		—			—
Restricted stock canceled		52,604			—			—
Balance at June 30, 2016		5,304,572			2,223,674		$	27.23

Summary of Information Regarding Options Granted under Executive Incentive Plan

The following table presents information regarding the options granted under the 2006 EIP and 2013 LTIP at June 30, 2016:

Outstanding							Exercisable
Range of Exercise Prices	Number of Options		Weighted Average Remaining Contractual Life (years)		Weighted Average Exercise Price		Number of Options		Weighted Average Exercise Price
$0.00 - $13.12		39,661		0.43	$	13.12		39,661	$	13.12
13.13 - 28.88		1,674,014		5.98		25.10		1,481,267		25.30
28.89 - 50.88		492,626		5.08		33.81		492,626		33.81
50.89 - 84.80		17,373		4.15		77.48		17,373		77.48
$0.00 - $84.80		2,223,674		5.67	$	27.23		2,030,927	$	27.57