v3.24.2
Leases - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Operating Leased Assets [Line Items]    
Right of use lease assets, net $ 14.8 $ 19.1
Financing lease assets noncurrent $ 5.4 $ 5.8
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 $ 23.0 $ 28.1
Finance lease liability current $ 0.8 $ 0.8
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 $ 5.9 $ 7.0
Finance lease liability Noncurrent $ 6.1 $ 6.5
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 $ 14.5 $ 18.9
Total lease liabilities 27.3 33.2
Trade And Other Receivables Net [Member]    
Operating Leased Assets [Line Items]    
Operating lease assets current 0.1 0.9
Prepaid Expenses and Other Current Assets [Member]    
Operating Leased Assets [Line Items]    
Operating lease assets current $ 2.7 $ 2.3