Stock-Based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2019

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

Summary of Restricted Stock Awards

A summary of the restricted stock awards as of March 31, 2019, along with the changes during the three months then ended, is as follows:

	Awards		Weighted Average Grant Date Fair Value
Nonvested at December 31, 2018	681,800		$	71.60
Granted	202,831		60.84
Vested	(172,775	)	68.99
Forfeited	(2,000	)	75.97
Nonvested at March 31, 2019	709,856		$	69.17