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PRODUCT WARRANTIES (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Nov. 30, 2014
Nov. 30, 2013
PRODUCT WARRANTIES [Abstract]    
Balance at beginning of period $ 1,516us-gaap_ProductWarrantyAccrual $ 1,328us-gaap_ProductWarrantyAccrual
Charged to costs and expenses 1,097us-gaap_ProductWarrantyAccrualPayments 692us-gaap_ProductWarrantyAccrualPayments
Deductions (778)us-gaap_ProductWarrantyAccrualWarrantiesIssued (512)us-gaap_ProductWarrantyAccrualWarrantiesIssued
Balance at end of period $ 1,835us-gaap_ProductWarrantyAccrual $ 1,508us-gaap_ProductWarrantyAccrual