Common Stock and Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

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

Summary of Stock Option Activity

The following table summarizes stock option activity during the nine months ended September 30, 2016:

	Options		Weighted Average Exercise Price		Weighted Average Contractual Life (Years)	Aggregate Intrinsic Value
Options outstanding and exercisable at January 1, 2016	3,204,925		$	20.07
Forfeited and canceled	(908,494	)	22.20
Exercised	(191,013	)	14.02
Options outstanding and exercisable at September 30, 2016	2,105,418		$	19.69	2.00	$	2,623,087

Summary of Restricted Stock Unit Activity

The following table summarizes RSU activity during the nine months ended September 30, 2016:

	Employees			Non-Employee Directors			Total
RSUs outstanding at January 1, 2016	871,876			94,816			966,692
RSUs granted	445,464			43,547			489,011
Shares issued upon vesting of RSUs	(176,226		)	(55,298		)	(231,524		)
RSUs canceled or forfeited(1)	(183,455		)	(2,270		)	(185,725		)
RSUs outstanding at September 30, 2016	957,659			80,795			1,038,454
Weighted average grant date fair value	$	17.15		$	17.56		$	17.18

(1) Pursuant to the terms of our plans, employees have the option of forfeiting RSUs to cover their minimum statutory tax withholding when shares are issued. Any RSUs surrendered or canceled in satisfaction of participants’ tax withholding obligations are not available for future grants under the plans.

The following table summarizes PSU activity during the nine months ended September 30, 2016:

	PSUs	Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	—	$	—
Granted	90,583	19.13
Vested	—	—
Forfeited	—	—
Outstanding at September 30, 2016	90,583	$	19.13

Summary of Phantom Share Activity

The following table summarizes the phantom share activity during the nine months ended September 30, 2016:

	Shares		Weighted Average Grant Date Fair Value
Outstanding at January 1, 2016	1,159,519		$	15.94
Granted	805,918		19.18
Converted/paid	(537,906	)	16.04
Forfeited	(49,599	)	17.34
Outstanding at September 30, 2016	1,377,932		$	17.75

Summary of Share-Based Compensation Expense Recognized

The following table summarizes the share-based compensation expense recognized during the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30				Nine Months Ended September 30
	2016		2015		2016		2015
	(In thousands)
Stock options	$	—	$	10	$	—	$	88
RSUs	4,728		2,516		8,165		6,460
PSUs	1,868		—		2,707		—
Phantom shares	2,330		2,307		9,851		5,203
Total	$	8,926	$	4,833	$	20,723	$	11,751