Share based compensation arrangement by share based payment award number of common stock reserved for issuance.

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- Definition

Share based compensation arrangement by share based payment award option awards contractual term.

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- Definition

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

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- Definition

Amount, after tax, of expense for award under share-based payment arrangement.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

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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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Net number of share options (or share units) granted during the period.

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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	May 19, 2017	May 09, 2012
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Recognized stock-based compensation costs	$ 27.5	$ 21.0	$ 22.4
Recognized stock-based compensation costs, net of tax	20.4	$ 15.5	$ 16.6
Pre-tax unrecognized compensation expense	$ 18.8
Recognized expense over a weighted-average period, years	1 year 6 months 21 days
2012 Long-Term Incentive Plan
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)					3,200,000
2012 Long-Term Incentive Plan \| Stock Options Plans
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Option awards contractual term (years)	10 years
2012 Long-Term Incentive Plan \| Minimum \| Stock Options Plans
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	3 years
2012 Long-Term Incentive Plan \| Maximum \| Stock Options Plans
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	5 years
2017 Long-Term Incentive Plan
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)				3,000,000
2017 Long-Term Incentive Plan \| Minimum \| Restricted Stock Units (RSUs)
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	3 years
2017 Long-Term Incentive Plan \| Maximum \| Restricted Stock Units (RSUs)
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Vesting period (years)	5 years
Non-employee director
Share Based Compensation Arrangement by Share Based Payment Award [Line Items]
Options granted (in shares)	4,705	3,203	1,777