Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2020

Stock-Based Compensation Plans

Schedule of stock option activity

				Weighted Average
				Remaining	Aggregate
	Option	Weighted Average		Contractual Term	Intrinsic Value
Stock Options	Shares	Exercise Price		(in years)	(in millions)
Outstanding at January 1, 2018	75,275	$	52.30
Exercised	(48,275)		57.91
Expired or forfeited	(1,000)		55.73
Outstanding at December 31, 2018	26,000		41.76
Exercised	(20,000)		40.80
Outstanding at December 31, 2019	6,000		44.99
Exercised	(6,000)		44.99
Outstanding at December 31, 2020	—	$	—	—	$	—
Exercisable at December 31, 2020	—	$	—	—	$	—

Summary of the status of the Company's restricted stock units and changes during the year

		Weighted
		Average
		Grant Date			Aggregate
		Fair Value			Fair Value
Unvested RSUs	Shares	Per RSU			(in millions)
Unvested at January 1, 2020	859,005	$	86.40
Granted	540,547		82.81
Vested	(369,990)		84.31
Canceled or forfeited	(33,842)		85.21
Unvested at December 31, 2020	995,720	$	85.27	$	119.2