SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 31, 2014 Customer	Mar. 31, 2013 Customer	Mar. 31, 2012
Product Information [Line Items]
Unconditional purchase obligations	$ 163.9
Off-balance sheet consigned inventory	40.0	31.3
Number of customers accounting for 10% or more of net accounts receivable	0	0
Duration of fiscal year	364 days	364 days	364 days
Advertising expense	$ 4.0	$ 3.6	$ 2.6
Minimum
Product Information [Line Items]
Product warranty terms	1 year
Maximum
Product Information [Line Items]
Product warranty terms	2 years