Annual report pursuant to Section 13 and 15(d)

SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (Accounts Receivable Allowances, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Accounts Receivable Allowances
     
VALUATION AND QUALIFYING ACCOUNTS      
Balance at the beginning of the period $ 2,142 $ 2,228 $ 212
Additions charged to costs and expenses 242 276 2,256
Deductions (138) (362) (240)
Balance at the end of the period $ 2,246 $ 2,142 $ 2,228