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Lease Commitments - Maturity of Lease Liabilities (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 38.9
2021 38.3
2022 31.4
2023 26.7
2024 21.1
Thereafter 82.4
Total undiscounted lease liabilities 238.8 [1]
Present value discounting of operating lease liabilities $ 50.4
[1]
Total undiscounted lease liabilities were $50.4 million greater than the operating leases recorded in Other liabilities primarily due to present value discounting. Both amounts exclude leases with initial terms of 12 months or less and leases that have not yet commenced.