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PRODUCT WARRANTY COSTS (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Product Warranties Disclosures [Abstract]    
Maximum period of warranty services 3 years  
Changes in the carrying amount of product warranty accruals    
Balance at beginning of year $ 15,304 $ 15,781
Accruals for warranties 5,777 5,487
Settlements (6,306) (5,833)
Foreign currency translation (190) (49)
Balance at end of year $ 14,585 $ 15,386