Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of RSU Activity

	Units	Weighted- Average Grant-Date Fair Value
Unvested at January 1, 2020	272,407	$	45.41
Granted	303,385	$	50.21
Vested	(157,923)	$	50.01
Forfeited	(13,212)	$	42.52
Dividend equivalents	2,576	$	47.18
Unvested at June 30, 2020	407,233	$	47.31

Summary Of PSU Activity

	Units	Weighted- Average Grant-Date Fair Value
Unvested at January 1, 2020	721,398	$	67.97
Granted	249,564	$	43.45
Achievement adjustment	(40,509)	$	44.50
Forfeited	(106,962)	$	61.22
Dividend equivalents	3,673	$	65.25
Unvested at June 30, 2020	827,164	$	58.94

Performance Stock Units, Market Condition [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of PSU Activity

	Units	Weighted- ‎ Average ‎Grant-Date ‎Fair Value
Unvested at January 1, 2020	340,971	$	47.42
Granted	—	$	—
Achievement adjustment	7,672	$	47.30
Vested	—	$	—
Forfeited	(272,777)	$	47.96
Dividend equivalents	50	$	47.30
Unvested at June 30, 2020	75,916	$	47.30