Leases - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total lease expense	$ 39.2	$ 38.5	$ 35.6
Variable lease costs	12.6	12.1	11.1
Short-term leases	$ 1.8	$ 3.4	$ 2.6
Operating Lease, Weighted Average Remaining Lease Term	5 years 3 months 18 days	4 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	4.10%	4.80%