Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2016

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

Summary of Securities To Be Issued and Remaining Available For Future Issuance

The following table summarizes the number of securities to be issued and remaining available for future issuance under all of the Company’s stock incentive plans as of December 31, 2016:



	Number of securities to be issued upon exercise of outstanding options and vesting of RSUs	Weighted-average exercise price of outstanding options and vesting of RSUs		Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column 1)
2007 Long-Term Incentive Plan⁽¹⁾	1,624	$	0.01	—
2010 Long-Term Incentive Plan⁽²⁾	399,568	$	0.01	2,684,821

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(1)	Includes RSUs.


(2)	Includes RSUs and performance shares.

Schedule of Share-based Compensation, Activity



	Year Ended December 31,
	2016		2015		2014
Weighted-average fair value per share of grants:
RSUs	$	38.21	$	32.47	$	18.57
Performance shares ⁽¹⁾	N/A		$	32.60	$	18.40

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(1)	Performance shares awarded in 2016 were ultimately canceled as the Company did not achieve the related performance targets for 2016.

The following table summarizes the activity for all stock options, RSUs and performance shares under all of the Long-Term Incentive Plans (“LTIPs”) for the year ended December 31, 2016:



		December 31, 2015		Activity during 2016									December 31, 2016
		Outstanding		Granted			Vested / Exercised			Canceled			Outstanding		Exercisable
Plans	Securities	Number	Price	Number		Price	Number		Price	Number		Price	Number	Price	Number	Price
2005 LTIP	RSUs	12,208	0.01	—		—	(12,208	)	0.01	—		—	—	—	—	—
2007 LTIP	RSUs	1,624	0.01	—		—	—		—	—		—	1,624	0.01	1,624	0.01
	Options	21,206	4.80	—		—	(12,370	)	4.80	(8,836	)	4.80	—	—	—	—
2010 LTIP	RSUs	328,578	0.01	124,077	⁽¹⁾	0.01	(219,237	)	0.01	(2,560	)	0.01	230,858	0.01	—	—
	Options	30,000	8.20	—		—	(30,000	)	8.20	—		—	—	—	—	—
	Performance shares	336,268	0.01	156,576	⁽²⁾	0.01	(128,522	)	0.01	(195,612	)	0.01	168,710	0.01	—	—
Total		729,884		280,653			(402,337	)		(207,008	)		401,192		1,624

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Note: Price is weighted-average price per share.


(1)	Consists of non-performance RSUs.


(2)	In January 2016, the Company awarded a maximum of 156,576 performance shares that would have been received if the highest level of performance was achieved. The shares were ultimately canceled as the Company did not achieve the related performance targets for fiscal 2016.

Schedule of Stock Options, Restricted Stock Units and Performance Shares Vested and Expected to Vest

The following table summarizes RSUs and performance shares that have vested and are expected to vest as of December 31, 2016:



		December 31, 2016
		Outstanding		Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value⁽¹⁾ (dollars in thousands)
Plans	Securities	Vested	Expected to vest⁽²⁾	Vested	Expected to vest⁽²⁾	Vested		Expected to vest⁽²⁾
2007 LTIP	RSUs	1,624	—	—	—	70		—
2010 LTIP	RSUs	—	222,963	—	—	—		9,601
	Performance shares	—	167,023	—	—	—		7,192
Total		1,624	389,986			$	70	$	16,793

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(1)	Aggregate intrinsic value is calculated based upon the difference between the exercise price of RSUs and the Company’s closing common stock price on December 31, 2016 of $43.07, multiplied by the number of instruments that are vested or expected to vest. RSUs having exercise prices greater than the closing stock price noted above are excluded from this calculation.


(2)	RSUs and performance shares that are expected to vest are net of estimated future forfeitures.