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Leases - Schedule of Future Lease Payments (Detail)
$ in Millions
Dec. 31, 2020
USD ($)
Leases [Abstract]  
2021 $ 21.6
2022 20.4
2023 18.3
2024 17.4
2025 16.6
Thereafter 161.7
Total lease payments 256.0
Less: imputed interest 52.8
Total operating lease liabilities $ 203.2