Income Taxes - Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred income tax assets:
Net operating loss	$ 8.8	$ 23.1
Insurance reserve	20.9	20.1
Stock-based compensation	24.0	21.4
Revenue reserves	8.0	7.6
Operating lease liabilities	7.9	8.8
Other accruals	29.4	26.2
Tax credits	17.0	14.6
Total deferred income tax assets	116.0	121.8
Less: Valuation allowance	(21.0)	(28.4)
Net deferred income tax assets	95.0	93.4
Deferred income tax liabilities:
Intangibles	(63.4)	(62.6)
Operating lease right-of-use assets	(6.8)	(7.8)
Property, net	(18.8)	(18.1)
Carrying value of partnerships	(110.9)	(91.7)
Other	(0.3)	(0.2)
Total deferred income tax liabilities	(200.2)	(180.4)
Net deferred income tax liabilities	$ (105.2)	$ (87.0)

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Deferred Tax Liabilities, Operating Lease, Right-Of-Use Asset

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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