Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Summary Of Restricted Stock Activity

A summary of restricted stock unit activity during the three months ended March 31, 2020 is presented below:

Restricted Stock Units	Grants		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2020	1,101,781		$	53.30
Granted	2,853		52.59
Vested	(62,617	)	41.38
Forfeited	(18,329	)	52.43
Outstanding at March 31, 2020	1,023,688		54.04		$	25,091

Summary Of Performance Share Unit Activity

A summary of performance share unit activity and changes during the three months ended March 31, 2020 is presented below:

Performance Share Units	Grants
Outstanding at January 1, 2020	375,588
Forfeited	(13,597	)
Outstanding at March 31, 2020	361,991