Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

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

Information with Respect to Stock Option Activity

Information with respect to stock option activity for 2016 is as follows:

	Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2015	4,748		$	27.49	5.5
Granted	831		30.75
Exercised	(456	)	17.65
Forfeited	(14	)	31.91
Outstanding at December 31, 2016	5,109		$	28.88	5.6	$	37,324
Exercisable at December 31, 2016	3,849		$	28.16	4.6	$	30,916
Vested and expected to vest at December 31, 2016	5,046		$	28.86	5.6	$	37,004

Information with Respect to Restricted Stock Unit Activity

Information with respect to restricted stock unit activity for 2016 is as follows:

	Shares (in thousands)		Weighted  Average Grant Date Fair Value
Outstanding at December 31, 2015	1,706		$	28.89
Granted	992		28.97
Vested and distributed	(691	)	30.46
Forfeited	(77	)	30.51
Outstanding at December 31, 2016	1,930		$	30.92