Quarterly report pursuant to Section 13 or 15(d)

ACCRUED WARRANTY (Details)

v3.5.0.2
ACCRUED WARRANTY (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Movement in Standard Product Warranty Accrual [Roll Forward]        
Beginning balance $ 3,444 $ 3,600 $ 3,430 $ 4,219
Additional warranties issued 1,626 1,523 3,606 3,130
Adjustments for warranties issued in prior fiscal years 243 298 401 (69)
Settlements (1,942) (1,948) (4,066) (3,807)
Ending balance $ 3,371 $ 3,473 $ 3,371 $ 3,473
Minimum        
Product Warranty Liability [Line Items]        
Product warranty term (in years)     1 year  
Maximum        
Product Warranty Liability [Line Items]        
Product warranty term (in years)     3 years