Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

The following table is a summary of awards granted and the weighted-average grant date fair value for the three years ended 2020, 2019 and 2018:


	Restricted Stock Units, Stock Grants, and Stock Units (a)						Performance Shares (b)
	2020		2019		2018		2020		2019		2018
Units granted	118,403		109,106		132,997		122,830		142,874		171,708
Weighted-average grant date fair value	$	71.70	$	89.15	$	77.51	$	104.74	$	92.16	$	76.56

(a)Units granted includes awards that will be cash settled of 45,646 in 2020, 48,972 in 2019, and 66,252 in 2018.

(b)Reflects the target payout level.

The following table is a summary of the status of non-vested awards as of December 31, 2020 and changes during the year:


	Restricted Stock Units, Stock Grants, and Stock Units				Performance Shares
	Shares		Weighted-Average Grant Date Fair Value		Shares (b)	Weighted-Average Grant Date Fair Value
Nonvested at January 1, 2020	242,612		$	81.38	306,970	$	83.65
Granted	118,403		71.70		122,830	104.74
Vested	(136,893)		73.80		(161,906)	76.53
Forfeited (c)	(3,565)		82.61		(7,890)	85.06
Nonvested at December 31, 2020	220,557	(a)	77.93		260,004	98.28
Vested Awards Outstanding at December 31, 2020	82,921				161,906

(a)Includes 126,996 of awards that will be cash settled.

(b)The nonvested performance shares are reflected at target payout level.

(c)We account for forfeitures as they occur.