Debt and Other Financing Arrangements - Summary of Long-Term Obligations (Detail) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Principal		$ 662,181
Carrying Value		631,954	$ 489,388
Less: Current portion		(631,430)	(7,939)
Long-term debt		524	481,449
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal		42,473
Carrying Value		$ 42,473
Effective Interest Rate		12.70%
Term Loan Facility [Member]
Debt Instrument [Line Items]
Principal	[1]	$ 543,113	518,700
Carrying Value	[1]	$ 517,251	$ 488,298
Effective Interest Rate	[1]	11.60%	11.10%
Delayed Draw Term Loan Facility [Member]
Debt Instrument [Line Items]
Principal	[2]	$ 75,600
Carrying Value	[2]	$ 71,235
Effective Interest Rate	[2]	12.60%
Finance Leases [Member]
Debt Instrument [Line Items]
Principal		$ 995	$ 1,090
Carrying Value		$ 995	$ 1,090
Effective Interest Rate		8.20%	5.60%

[1] The Term Loan Facility includes paid-in-kind interest of $27.9 million as of September 30, 2025.

[2] The Delayed Draw Term Loan Facility principal includes an upfront one-time 3.0% fee that was paid-in-kind as of September 30, 2025. Additionally, a 5.0% exit fee is included in the principal amount, which becomes payable on the maturity date.