Equity Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2014

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

Summary of the activity of stock option awards

A summary of the activity of stock option awards issued and outstanding under Company plans is as follows for the three months ended March 31, 2014:

	Shares		Wtd. Avg. Exercise Price		Wtd. Avg. Remaining Contractual Term (years)	Aggregate Intrinsic Value
	(in thousands)					(in thousands)
Options outstanding at December 31, 2013	849		$	19.67	6.39	$	10,654
Options granted	223		32.41
Options exercised	(177	)	19.00
Options forfeited/canceled/expired	(7	)	32.17
Options outstanding at March 31, 2014	888		$	22.99	7.16	$	8,309
Options vested and expected to vest at March 31, 2014	852		$	22.67	7.06	$	8,173
Options exercisable at March 31, 2014	545		$	20.29	6.17	$	6,515

Summary of the activity of restricted stock

A summary of the activity of restricted stock outstanding is as follows for the three months ended March 31, 2014:

	Shares		Wtd. Avg. Grant  Date Fair Value
	(in thousands)
Restricted stock outstanding at December 31, 2013	734		$	26.87
Granted	308		32.23
Vested	(125	)	21.34
Forfeited/canceled	—		—
Restricted stock outstanding at March 31, 2014	917		$	27.80