INCOME TAXES - Narrative (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2018 USD ($)
Income Tax Disclosure [Abstract]
Tax impact from TCJA	$ 18,078
Increased income tax expense, transition tax	26,649
Decrease to deferred tax asset income tax expense	(47,677)
Valuation allowance (decrease)	(39,769)
Tax benefit after remeasurement of intangibles	7,908
Tax benefit from remeasurement of deferred tax liability	$ 6,202