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Leases - Schedule of Future Minimum Operating Lease Payments (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Dec. 31, 2018
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Leases [Abstract] |  |
2019 | $ 4.1 |
2020 | 4.9 |
2021 | 4.3 |
2022 | 3.3 |
2023 | 3.0 |
Thereafter | 11.2 |
Total future minimum lease payments | 30.8 |
Less: Imputed interest | 4.0 |
Present value of lease liabilities | 26.8 |
Accrued expense (current maturities of leases) | 4.3 |
Other liabilities (non-current maturities of leases) | $ 22.5 |
2019 |  | $ 5.0
2020 |  | 4.5
2021 |  | 3.8
2022 |  | 3.1
2023 |  | 3.0
Thereafter |  | 11.2
Total future minimum lease payments |  | $ 30.6

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