Segment and Geographic Information - Summary of Long-lived Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Long-lived Assets	$ 307.7	$ 322.9	$ 353.9
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Long-lived Assets	214.9	236.4	256.9
Europe, Middle East and Africa [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Long-lived Assets	67.1	63.9	73.5
Asia-Pacific and Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Long-lived Assets	18.2	15.0	18.4
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Long-lived Assets	7.4	7.5	5.0
Americas, Excluding United States and Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Long-lived Assets	$ 0.1	$ 0.1	$ 0.1