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, 2015
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2000
Accounting Policies [Abstract]        
Shipping and handling fees $ 12,300,000us-gaap_ShippingHandlingAndTransportationCosts $ 13,600,000us-gaap_ShippingHandlingAndTransportationCosts $ 16,000,000us-gaap_ShippingHandlingAndTransportationCosts  
Advertising expense 7,600,000us-gaap_AdvertisingExpense 8,400,000us-gaap_AdvertisingExpense 8,200,000us-gaap_AdvertisingExpense  
Foreign currency gain (loss) recorded in other income and expense 200,000us-gaap_ForeignCurrencyTransactionGainLossBeforeTax 300,000us-gaap_ForeignCurrencyTransactionGainLossBeforeTax (500,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax  
Gain on sale of other investments 13,574,000us-gaap_GainLossOnSaleOfOtherInvestments 0us-gaap_GainLossOnSaleOfOtherInvestments 0us-gaap_GainLossOnSaleOfOtherInvestments  
Product Warranty Term [Line Items]        
Amount authorized to repurchase common stock       700,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
Remaining amount authorized to repurchase common stock $ 87,900,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 $ 87,900,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1    
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