Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

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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