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Leases - Schedule of operating lease maturities (Detail)
$ in Millions
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 77.6
2021 64.3
2022 33.1
2023 18.5
2024 11.9
Thereafter 6.1
Total 211.5
Interest (10.0)
Present value of lease liabilities $ 201.5
Weighted-average remaining term 3 years 3 months 18 days
Weighted-average discount rate 3.00%