Debt - Summary of Interest Expense (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Non-cash interest for amortization of debt discount and debt issuance costs	$ 1.4	$ 4.3	$ 3.0
Total interest expense	48.8	47.8	43.3
Second Amended And Restated Term Loan Facility [member]
Debt Instrument [Line Items]
Interest expense on term loan	40.6	0.0	0.0
Previous Extended Term Loan Facility [Member]
Debt Instrument [Line Items]
Interest expense on term loan	0.0	43.0	23.8
Second Amended And Restated Term Loan Facility Third Party Fees [Member]
Debt Instrument [Line Items]
Interest expense on term loan	6.4	0.0	0.0
Previous Extended Term Loan Facility Amendment third-party fees [Member]
Debt Instrument [Line Items]
Interest expense on term loan	0.0	0.0	2.1
Previous Amended and Restated Term Loan Facility [Member]
Debt Instrument [Line Items]
Interest expense on term loan	0.0	0.0	13.9
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility interest and commitment fees	$ 0.4	$ 0.5	$ 0.5

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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