Revenue from Contracts with Customers - Summary of Revenue disaggregated Based on Geographic Location (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 691.2	$ 680.3
United States [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	422.9	412.0
All Other Countries [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 268.3	$ 268.3

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details