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Leases - Total remaining lease payments under the Company's Finance lease (Details)
$ in Millions
Sep. 30, 2021
USD ($)
Leases  
2022 $ 15.2
2023 14.9
2024 11.7
2025 5.8
2026 1.5
Total lease payments 49.1
Less: Amounts representing interest (3.6)
Total lease liabilities $ 45.5