Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

v2.4.0.8
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2000
Concentration Risk [Line Items]        
Shipping and handling fees $ 13.6 $ 16.0 $ 20.3  
Advertising expense 8.4 8.2 4.3  
Foreign currency gains and losses recorded in other income and expense 0.3 (0.5) (0.1)  
Amount authorized to repurchase common stock       700
Remaining amount authorized to repurchase common stock $ 87.9 $ 87.9    
Product warranty 1 to 3 years      
Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pricing model used in estimating grant-date fair value Black-Scholes      
Market RSUs [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pricing model used in estimating grant-date fair value Monte-Carlo      
Top Five Customers [Member]
       
Concentration Risk [Line Items]        
Percentage of revenue 31.00% 32.00% 34.00%