Stock-based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 5.3	$ 3.6
Stock based compensation tax benefit	$ 0.6	$ 0.3
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period for recognition of compensation not yet recognized	2 months 12 days
Restricted Stock and Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period for recognition of compensation not yet recognized	1 year 8 months 12 days
Tax benefit realized on the vesting of restricted stock	$ 0.1
Compensation not yet recognized, share-based awards other than options	$ 25.7
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period for recognition of compensation not yet recognized	2 years 8 months 12 days
Compensation not yet recognized, share-based awards other than options	$ 14.4
Performance stock awards expected to vest (in shares)	0.5
Weighted average fair value per share of performance stock awards expected to vest (in usd per share)	$ 30.30

Employee Service Share-Based Compensation, Tax Benefit Realized From Vesting of Restricted Stock

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected To Vest

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected To Vest, Weighted Average Grant Date Fair Value

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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