OTHER ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other Assets, Noncurrent [Abstract]
Equity Method Investments	$ 0	$ 0
Amortizable intangibles	11,647	15,275
Prepaid software	7,711	691
Notes receivable	6,000	6,000
Manufacturing spares	2,825	3,448
Deferred financing costs	267	352
Other	4,363	4,222
Other noncurrent assets	84,029	81,892
Equity Method Investments [Member]
Other Assets, Noncurrent [Abstract]
Equity Method Investments	3,986	4,637
Wheels India [Member]
Other Assets, Noncurrent [Abstract]
Equity Method Investments	$ 47,230	$ 47,267

Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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