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LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Financing arrangements - Notes payable & Capital leases) (Details) - Notes payable - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Aug. 01, 2018 | Jun. 30, 2018 | Jun. 30, 2018
Revenue equipment, other equipment and software |  |  |
Financing Arrangements |  |  |
Equipment financed during the period under notes payable |  | $ 14.3 | $ 14.4
Subsequent Event | Revenue equipment |  |  |
Financing Arrangements |  |  |
Equipment financed during the period under notes payable | $ 19.9 |  |

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- Details
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