Leases - Supplemental Information (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 49.0	$ 27.9
Sublease income	(2.6)	(1.3)
Net operating lease cost	46.4	26.6
Cash paid for amounts included in the measurement of operating lease liabilities	$ 28.2	$ 24.0
Weighted average remaining lease term	10 years 1 month 6 days	10 years 3 months 18 days
Weighted average discount rate	4.90%	5.00%
Letter of Credit
Lessee, Lease, Description [Line Items]
Restricted cash related to letters of credit issued in lieu of cash security deposits	$ 7.8	$ 7.8

Operating Leases, Rent Expense, Net Sublease Income

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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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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Amount of sublease income excluding finance and operating lease expense.

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