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Leases - Undiscounted Future Lease Payments (Details)
$ in Millions
Nov. 30, 2019
USD ($)
Leases [Abstract]  
2020 $ 13.8
2021 15.6
2022 10.9
2023 7.8
2024 5.4
Thereafter 16.5
Total undiscounted lease payments 70.0
Less: Discount due to interest (3.9)
Present value of lease liabilities $ 66.1