Quarterly report pursuant to Section 13 or 15(d)

ACCRUED WARRANTY (Tables)

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ACCRUED WARRANTY (Tables)
6 Months Ended
Sep. 30, 2012
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]

The quarterly and year-to-date changes in the accrued warranty balance were (in thousands):

Three Months Ended Six Months Ended
      September 30,
2012
      September 30,
2011
      September 30,
2012
      September 30,
2011
Beginning balance $        7,797 $        7,157 $        7,586   $        7,034
       Additional warranties issued 2,579 2,247   5,203   4,696
       Adjustments for warranties issued in prior fiscal years   273     343 590   764
       Settlements (2,745 ) (2,634 ) (5,475 ) (5,381 )
Ending balance $ 7,904 $ 7,113 $ 7,904 $ 7,113