Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

A summary of the Company’s activity under its equity-settled award plans and related information is as follows (in thousands, except per share data):



			Options Outstanding
	Shares Available for Grant		Number of Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life in Years	Aggregate Intrinsic Value
Balance - December 31, 2013	2,451		4,089		$	9.91
Shares authorized	1,000		—		—
Options exercised	—		(623	)	5.08
Options forfeited	202		(202	)	17.25
Restricted stock units granted	(1,550	)	—		—
Restricted stock units forfeited	257		—		—
Restricted stock units withheld related to net share settlement of restricted stock units	325		—		—
Balance - December 31, 2014	2,685		3,264		10.38		6.2	$	14,475
Vested and exercisable - December 31, 2014			2,467		10.51		6.1	11,094
Vested and expected to vest - December 31, 2014			3,176		10.40		6.2	14,078

The summary of restricted stock unit activity, which includes PBRSUs, is as follows (in thousands, except for per share data):



	Number of Shares		Weighted-Average Grant Date Fair Value		Aggregate Intrinsic Value
Non-vested units - December 31, 2013	2,057		$	12.38
Granted	1,550		14.54
Vested	(890	)	13.60
Forfeited	(257	)	13.85
Non-vested units - December 31, 2014	2,460		13.15		$	33,896