SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions	12 Months Ended
	Mar. 31, 2017 USD ($) Customer	Mar. 31, 2016 USD ($) Customer	Mar. 31, 2015 USD ($)
Product Information [Line Items]
Duration of fiscal year	364 days	371 days	364 days
Unconditional purchase obligations	$ 161.3
Off-balance sheet consigned inventory	52.3	$ 41.1
Advertising expense	$ 1.8	$ 2.0	$ 3.7
Number of customers accounting for 10% or more of net accounts receivable | Customer	1	1
Minimum
Product Information [Line Items]
Product warranty terms	1 year
Maximum
Product Information [Line Items]
Product warranty terms	2 years
Customer concentration risk | Accounts receivable
Product Information [Line Items]
Concentration risk percentage	17.60%	11.20%