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v3.19.3.a.u2

FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash and Cash Equivalents |  |  |
Outstanding checks in excess of funds on deposits | $ 13.8 | $ 16.4 |
Restricted Cash | 7.2 | 4.9 |
Allowance for doubtful accounts |  |  |
Balance at Beginning of year | 4.8 | 4.6 | $ 4.2
Expense | 0.6 | 0.8 | 1.0
Write-offs and Other | (1.1) | (0.6) | (0.6)
Balance at End of Year | 4.3 | 4.8 | $ 4.6
Prepaid and Other Assets: |  |  |
Income tax receivables | 12.8 | 26.8 |
Prepaid insurance and insurance related receivables | 13.4 | 12.6 |
Prepaid fuel | 13.7 | 16.3 |
Other | 9.7 | 7.7 |
Total | 62.5 | 75.1 |
Carrying value |  |  |
Cash and Cash Equivalents |  |  |
Cash and cash equivalents | 21.2 | 19.6 |
Restricted Cash | 7.2 | 4.9 |
Variable rate debt | 379.1 | 235.0 |
Fixed rate debt | 579.3 | 621.4 |
Fair Value Measurement |  |  |
Cash and Cash Equivalents |  |  |
Cash and cash equivalents | 21.2 | 19.6 |
Restricted Cash | 7.2 | 4.9 |
Variable rate debt | 379.1 | 235.0 |
Fixed rate debt | 585.9 | 584.5 |
Quoted Prices in Active Markets (Level 1) |  |  |
Cash and Cash Equivalents |  |  |
Cash and cash equivalents | 21.2 | 19.6 |
Restricted Cash | 7.2 | 4.9 |
Significant Observable Inputs (Level 2) |  |  |
Cash and Cash Equivalents |  |  |
Variable rate debt | 379.1 | 235.0 |
Fixed rate debt | $ 585.9 | $ 584.5 |

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