OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Other Accrued Liabilities Table (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued lease costs	$ 6,017	$ 11,708
Deferred OEM cost recovery	3,997	8,082
Eastern overdraft liability	0	8,989
Accrued property and equipment	997	4,874
Deferred gain on sale leasebacks	1,305	1,305
Other operating accruals	26,363	31,020
Other accrued liabilities	$ 38,679	$ 65,978