DETAILS OF CERTAIN BALANCE SHEET ACCOUNTS - Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019
Accrued Liabilities [Abstract]
Short term deferred revenue	$ 139,825	$ 133,200
Employee compensation and benefits	57,314	68,882
Operating Lease, Liability, Current	21,074
Income tax payable	17,465	5,692
Provision for returns	18,336	24,632
Accrued Marketing Costs, Current	10,059	25,369
Discounts reserve	0	46,894
Accrued interest	7,711	10,425
Warranty obligation	12,982	15,736
VAT/Sales tax payable	6,818	11,804
Derivative liabilities	8,995	3,275
Accrued other	62,815	52,806
Accrued liabilities	$ 363,394	$ 398,715