Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015



	Units		Weighted Average Grant Date Fair Value Per Unit
	(In Thousands)
Nonvested units outstanding at December 31, 2014	263		$	21.89
Units granted⁽¹⁾	261		21.39
Units cancelled	(50	)	20.49
Units vested	(73	)	22.24
Nonvested units outstanding at December 31, 2015	401		$	21.77

Stock Option Valuation Assumptions Table



	Year Ended December 31,
	2015	2014	2013
Expected stock price volatility	49% to 51%	44% to 45%	54% to 74%
Expected life of options	4.6 years	4.9 years	4.9 years
Risk free interest rate	1.41% to 1.51%	.01%	0.76% to 1.48%
Expected dividend yield	—	—	—

Stock Option Award Activity Table



	Shares Under Option		Weighted Average Option Price Per Share		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (in thousands)
	(In Thousands)
Outstanding at January 1, 2015	4,196		$	11.96
Options granted	742		7.14
Options cancelled	(438	)	13.42
Options exercised	(68	)	4.27
Options expired	(265	)	$	9.42
Outstanding at December 31, 2015	4,167		$	11.23	5.8	$	2,813
Expected to vest at December 31, 2015	3,937		$	11.29	5.7	$	2,734
Exercisable at December 31, 2015	3,050		$	12.39	4.6	$	2,422

Intrinsic value is the difference between the market value of our stock option multiplied by the number of stock options outstanding for those stock options where the market value exceeds their exercise price. The total intrinsic value of stock options exercised during December 31, 2015, 2014, and 2013, was approximately $0.2 million, $1.4 million, and $2.2 million, respectively.

Restricted Stock Award Activity Table



	Shares		Weighted Average Grant Date Fair Value Per Share
	(In Thousands)
Nonvested restricted shares outstanding at December 31, 2014	773		$	10.54
Granted	633		7.15
Vested	(493	)	9.72
Cancelled/Forfeited	(35	)	10.75
Nonvested restricted shares outstanding at December 31, 2015	878		$	8.54