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	Jun. 30, 2023	Dec. 31, 2022
Schedule Of Contract Assets And Liabilities [Line Items]
Deferred revenue - current	$ 109.6	$ 97.9
Total contract liabilities	173.7	161.3
Accounts Receivable, Net of Allowance for Doubtful Accounts [Member]
Schedule Of Contract Assets And Liabilities [Line Items]
Unbilled accounts receivable	43.3	35.3
Accrued and Other Liabilities [Member]
Schedule Of Contract Assets And Liabilities [Line Items]
Deferred revenue - current	109.6	97.9
Other Noncurrent Liabilities [Member]
Schedule Of Contract Assets And Liabilities [Line Items]
Deferred revenue - noncurrent	$ 64.1	$ 63.4