Revenue From Contracts With Customers - Summary of the Balance Sheet Location and Amounts of Contract Assets and Liabilities from Contracts with Customers (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Contract Assets And Liabilities [Line Items]
Deferred revenue - current	$ 111.1	$ 85.4
Total contract liabilities	182.2	156.0
Accounts Receivable, Net of Allowance for Doubtful Accounts [Member]
Schedule Of Contract Assets And Liabilities [Line Items]
Unbilled accounts receivable	22.5	16.8
Accrued and Other Liabilities [Member]
Schedule Of Contract Assets And Liabilities [Line Items]
Deferred revenue - current	111.1	85.4
Other Noncurrent Liabilities [Member]
Schedule Of Contract Assets And Liabilities [Line Items]
Deferred revenue - noncurrent	$ 71.1	$ 70.6