Annual report [Section 13 and 15(d), not S-K Item 405]

Leases - Summary of Lease Assets and Liabilities Recognized Within Consolidated Balance Sheets (Detail)

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Leases - Summary of Lease Assets and Liabilities Recognized Within Consolidated Balance Sheets (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
ASSETS    
Operating lease right-of-use assets $ 168.3 $ 185.7
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating lease right-of-use assets Operating lease right-of-use assets
Finance lease right-of-use assets $ 2.4 $ 1.9
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Property, plant, and equipment, at cost, net of accumulated depreciation and amortization Property, plant, and equipment, at cost, net of accumulated depreciation and amortization
Total lease assets $ 170.7 $ 187.6
Current liabilities:    
Operating lease liabilities $ 35.5 $ 39.7
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other current liabilities Other current liabilities
Finance lease liabilities $ 0.9 $ 0.8
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Current portion of long-term debt Current portion of long-term debt
Non-current:    
Non-current operating lease liabilities $ 155.7 $ 169.5
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Non-current operating lease liabilities Non-current operating lease liabilities
Finance lease liabilities $ 1.6 $ 1.2
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Long-term debt, net of current portion Long-term debt, net of current portion
Total lease liabilities $ 193.7 $ 211.2