Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Contract liabilities	$ 33.5	$ 38.4
Equity compensation plans	29.4	34.5
Net operating loss and credit carryforwards, net	40.2	17.0
Payroll and benefits	10.3	17.2
Operating lease liabilities	38.7	45.6
Accounts receivable	20.7	20.1
Other	22.5	19.9
Total deferred tax assets	195.3	192.7
Deferred tax liabilities:
Acquisition-related intangibles	279.8	269.8
Property and equipment	14.7	22.4
Operating lease right-of-use assets	22.5	27.6
Other	23.0	26.7
Total deferred tax liabilities	340.0	346.5
Deferred tax asset valuation allowance	21.9	17.0
Net deferred tax liabilities	$ 166.6	$ 170.8