Employee Benefits - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Fair value of the defined benefit plan assets	$ 30.2	$ 28.5
Switzerland Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Minimum investment return rate	1.00%	1.00%	1.00%
Defined benefit plan, net pension liability	$ 34.0	$ 34.8
Defined benefit plan, assets	26.1	24.6
Pension related net period benefit expense	$ 0.3	$ 0.5	$ 1.0
Discount rate	0.30%	0.10%
Other Non-Current Liabilities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, non-current liability	$ 34.5	$ 36.1