Revenue - Schedule of Changes in Deferred Revenue (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Revenue from Contract with Customer [Abstract]
Deferred revenue, beginning of period	$ 41.2	$ 48.7
New billings	351.4	298.3
Revenue recognized	(333.4)	(303.5)
Effect of exchange rate	(15.7)	(1.2)
Deferred revenue, end of period	$ 43.5	$ 42.3