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Stock-Based Compensation - Stock Options Outstanding (Details) shares in Millions	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number outstanding (in shares) | shares	1.4
Weighted average remaining contractual life (years)	3 years 29 days
Weighted average exercise price (in dollars per share)	$ 20.38
$ 13.38
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, minimum (in dollars per share)	$ 13.38
Number outstanding (in shares) | shares	0.7
Weighted average remaining contractual life (years)	5 years 7 months 13 days
Weighted average exercise price (in dollars per share)	$ 13.38
$ 23.98
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, minimum (in dollars per share)	$ 23.98
Number outstanding (in shares) | shares	0.1
Weighted average remaining contractual life (years)	2 months 4 days
Weighted average exercise price (in dollars per share)	$ 23.98
$ 27.07 - 36.55
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, minimum (in dollars per share)	27.07
Range of exercise prices, maximum (in dollars per share)	$ 36.55
Number outstanding (in shares) | shares	0.6
Weighted average remaining contractual life (years)	8 months 26 days
Weighted average exercise price (in dollars per share)	$ 27.25

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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