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Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Onex Corporation [Member]
Related Party Transaction [Line Items]
Related parties, ownership percentage	96.00%
Onex Corporation [Member] | As Converted Common Stock [Member]
Related Party Transaction [Line Items]
Related parties, ownership percentage	91.60%
ASM Global [Member] | Cost Of Revenues [Member]
Related Party Transaction [Line Items]
Cost of services facilities and catering	$ 1.0	$ 1.3	$ 1.4
Convex Group Ltd [Member]
Related Party Transaction [Line Items]
Other liabilities	0.2	0.3
Convex Group Ltd [Member] | Cost Of Revenues [Member]
Related Party Transaction [Line Items]
Selling, general and administrative expense insurance	$ 0.5	$ 0.8	$ 0.3

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