Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

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

Summary of Restricted Stock Unit Activity

The table below summarizes restricted stock unit activity for the year ended December 31, 2015:

	Restricted Stock Units		Weighted Average Grant Date Fair Value
Restricted stock units outstanding at December 31, 2014	1,013,683		$	44.34
Granted	187,946		56.48
Released	(146,160	)	40.96
Forfeited	(25,520	)	46.97
Restricted stock units outstanding at December 31, 2015	1,029,949		46.97