Leases - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Operating Leased Assets [Line Items]
Right of use lease asset	$ 30.7	$ 29.4
Financing lease assets noncurrent	$ 7.6	$ 8.3
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, plant, and equipment, net	Property, plant, and equipment, net
Total lease assets	$ 41.6	$ 41.3
Finance lease liability current	$ 1.5	$ 1.5
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of long-term debt	Current portion of long-term debt
Operating lease liability current	$ 11.6	$ 11.3
Finance lease liability Noncurrent	$ 7.5	$ 8.1
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term debt, less current portion	Long-term debt, less current portion
Operating lease liability noncurrent	$ 30.9	$ 32.7
Total lease liabilities	51.5	53.6
Trade And Other Receivables Net [Member]
Operating Leased Assets [Line Items]
Operating lease assets current	0.2	0.2
Prepaid Expenses and Other Current Assets [Member]
Operating Leased Assets [Line Items]
Operating lease assets current	$ 3.1	$ 3.4