Annual report pursuant to Section 13 and 15(d)

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)
$ in Millions
Dec. 31, 2019
USD ($)
ASSETS  
Operating lease right-of-use assets $ 189.5
Finance lease right-of-use assets $ 1.0
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:PropertyPlantAndEquipmentNet
Total lease assets $ 190.5
Current liabilities:  
Operating lease liabilities $ 37.4
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesCurrent
Finance lease liabilities $ 0.6
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:LongTermDebtCurrent
Non-current:  
Non-current operating lease liabilities $ 169.9
Finance lease liabilities $ 0.5
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:LongTermDebtNoncurrent
Total lease liabilities $ 208.4