Stock-Based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2015

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

Restricted Stock Awards

A summary of the restricted stock awards as of March 31, 2015, along with the changes during the three months then ended, is as follows:

	Awards		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2014	911,350		$	58.86
Granted	192,723		83.14
Vested	(152,236	)	52.19
Forfeited	(12,720	)	62.89
Nonvested at March 31, 2015	939,117		$	64.84