Long Term Debt - Additional Information (Detail) - USD ($) $ in Millions		1 Months Ended			3 Months Ended	12 Months Ended
	May 01, 2024	Feb. 29, 2024	Jan. 31, 2024	May 26, 2023	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Interest expense						$ 7.0
Interest rate					4.50%	4.50%
Interest Rate Swap Agreements Three [Member]
Debt Instrument [Line Items]
Derivative notional amount		$ 137.5	$ 137.5
Maturity date		Dec. 31, 2026	Dec. 31, 2027
4.50 % Convertible Senior Notes
Debt Instrument [Line Items]
Interest rate					4.50%
8.75 % Senior Notes
Debt Instrument [Line Items]
Interest rate	8.75%
CUSA [Member]
Debt Instrument [Line Items]
Average interest rate on outstanding borrowings					7.60%
Debt instrument, maturity date					May 24, 2030
CUSA [Member] | Senior Secured Credit Facility
Debt Instrument [Line Items]
Aggregate principal amount of add-on to Senior Notes				$ 775.0
CUSA [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit line, maturity date				May 26, 2028
Term Loan Credit facility
Debt Instrument [Line Items]
Amount outstanding under the term loan					$ 643.5
Term Loan Credit facility | CUSA [Member] | Senior Secured Credit Facility
Debt Instrument [Line Items]
Aggregate principal amount of add-on to Senior Notes				$ 650.0
Quarterly principal payments due				$ 1.6
Last quarterly payment date				Mar. 31, 2030
Final principal payment due date				May 24, 2030
Revolving Credit Line | Amended Senior Secured Credit Facility [Member]
Debt Instrument [Line Items]
Amount outstanding under the revolving credit line					$ 0.0
Revolving Credit Line | CUSA [Member] | Senior Secured Credit Facility
Debt Instrument [Line Items]
Aggregate principal amount of add-on to Senior Notes				$ 125.0
Subsequent Event [Member] | 8.75 % Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount of add-on to Senior Notes	$ 156.6
Interest rate	8.75%
Subsequent Event [Member] | CUSA [Member]
Debt Instrument [Line Items]
Interest rate	8.75%
Subsequent Event [Member] | CUSA [Member] | 8.75 % Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount of add-on to Senior Notes	$ 150.0
Redemption payment of outstanding principal amount	$ 150.0
Interest rate	8.75%
Outstanding principal at the redemption price percentage	100.00%