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Other Current Assets and Other Current Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Other Current Assets And Other Current Liabilities [Line Items] |  |
Accrued sales tax | $ 44.9 |
Accrued interest | 16.4 |
Accrued payroll and benefits | 10.7 |
Accrued capital expenditures | $ 7.9 |
Predecessor |  |
Other Current Assets And Other Current Liabilities [Line Items] |  |
Accrued equipment and other asset purchases |  | $ 27.8
Accrued payroll and benefits |  | 8.3
Accrued property taxes |  | 0.7
Prepaid expenses |  | $ 3.8

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