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Leases Leases - Maturities of Lease Liabilities (Details)
$ in Millions
Jan. 31, 2021
USD ($)
Leases [Abstract]  
2022 $ 82.8
2023 95.0
2024 79.2
2025 59.3
2026 45.2
Thereafter 149.1
Total lease payments 510.6
Less imputed interest 43.2
Present value of operating lease liabilities $ 467.4