SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2000
Accounting Policies [Abstract]
Shipping and handling fees	$ 10,600,000	$ 12,300,000	$ 13,600,000
Advertising expense	9,200,000	7,600,000	8,400,000
Foreign currency gain (loss) recorded in other income and expense	(300,000)	200,000	300,000
Gain on sale of other investments	0	13,574,000	$ 0
Amount authorized to repurchase common stock				$ 700,000,000
Remaining amount authorized to repurchase common stock	$ 87,900,000	$ 87,900,000
Minimum
Product Warranty Term [Line Items]
Product warranty term (in years)	1 year
Maximum
Product Warranty Term [Line Items]
Product warranty term (in years)	3 years