Pension and Employee Benefit Plans - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Retirement Benefits [Abstract]
Defined benefit plan contributions	$ 0.2	$ 0.0	$ 0.2	$ 0.0
Payment for Pension Benefits			0.9
Unfunded liability plans	$ 4.0		$ 4.0		$ 4.1