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CONTINGENT LIABILITIES AND COMMITMENTS (Tables)
 6 Months Ended
Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]  
Schedule of changes in the warranty reserve
Changes in the warranty reserve are as follows (in thousands):
Balance, December 31, 2016
 
$
8,906

Provision for warranty claims
 
2,832

Warranty claims paid
 
(3,044
)
Foreign currency translation adjustment
 
250

Balance, June 30, 2017
 
$
8,944