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WARRANTIES
 6 Months Ended
Jun. 30, 2015
Product Warranties Disclosures [Abstract]  
WARRANTIES
WARRANTIES
 
A reconciliation of the changes in the product warranty accrual, which is included in "Accrued expenses" in the Consolidated Balance Sheets, is as follows (in thousands):
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2015
 
2014
 
2015
 
2014
Balance at the beginning of period
$
3,864

 
$
3,251

 
$
3,891

 
$
3,449

Warranties issued
430

 
613

 
1,399

 
1,212

Warranty settlement costs
(446
)
 
(512
)
 
(1,448
)
 
(1,132
)
Changes in accruals for pre-existing warranties
88

 
(105
)
 
75

 
(284
)
Currency translation adjustments
101

 
10

 
120

 
12

Balance at the end of period
$
4,037

 
$
3,257

 
$
4,037

 
$
3,257