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Stock Based Compensation Plans

3 Months Ended

Mar. 31, 2022

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock Based Compensation Plans

6.Stock Based Compensation Plans

The following table provides a summary of option activity:

									Weighted
									Average
					Weighted				Remaining
					Average				Contractual				Aggregate
					Exercise				Term				Intrinsic
	Options				Price				(in Years)				Value
Outstanding at December 31, 2021		11.3			$	58.83
Exercised		(0.3	)			39.17
Cancelled		(0.2	)			78.28
Outstanding at March 31, 2022		10.8			$	59.08				5.9			$	438.4
Exercisable at March 31, 2022		6.3			$	45.03				4.1			$	343.7

The following table provides information regarding the intrinsic value of stock options exercised and stock compensation expense related to stock option awards:

	Three Months Ended
	March 31,				March 31,
	2022				2021
Intrinsic Value of Stock Options Exercised	$	16.8			$	9.5
Stock Compensation Expense Related to Stock Option Awards	$	2.8			$	3.1

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- Definition

The entire disclosure for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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- References

No definition available.

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