Internal-Use Software - Additional Information (Detail) - Revision of Prior Period, Accounting Standards Update, Adjustment [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Line Items]
Capitalized internal use software costs and implementation costs net of accumulated amortizations	$ 56.4	$ 57.3
Capitalized implementation and internal-use software costs during the period	$ 16.7	15.7
Maximum [Member]
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Line Items]
Capitalized implementation and internal-use software costs amortization period	10 years
Property and Equipment, Net [Member]
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Line Items]
Capitalized internal use software costs and implementation costs net of accumulated amortizations	$ 44.4	45.9
Other Assets [Member]
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Line Items]
Capitalized internal use software costs and implementation costs net of accumulated amortizations	$ 12.0	$ 11.4