PENSION BENEFIT PLANS - Defined Benefit Pension Plan (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2016 USD ($)
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of year	$ 0
Service cost	279
Interest cost	391
Benefits paid and other	(175)
Acquisitions	29,033
Actuarial gain	(847)
Foreign exchange rate impact	507
Benefit obligation, at end of year	29,188
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, at beginning of year	0
Employer direct benefit payments	175
Benefits paid and other	(175)
Fair value of plan assets, at end of year	0
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	279
Interest cost	391
Net periodic pension cost	$ 670
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	2.30%
Rate of compensation increase	2.25%