SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Supplemental cash flow information
Interest paid	$ 116,506	$ 99,889
Income taxes paid	20,181	10,596
Changes in accounts payable related to purchases of revenue earning equipment	(96,161)	(63,184)
Operating and revenue earning equipment acquired under capital leases	2,134	6,209
Changes in restricted cash	$ (2,110)	$ (1,694)

Changes in accounts payable related to purchases of revenue earning equipment.

No definition available.

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- Definition

The increase during the period in capital lease obligations due to entering into new capital leases.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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