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Accrued Product Warrenties Accrued Product Warrenties (Tables)
 6 Months Ended
Jun. 30, 2013
Product Warranties Disclosures [Abstract]  
Summay of warranty liability and activity
The following table summarizes the Company’s warranty liability and activity (in thousands):
 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2013
 
2012
 
2013
 
2012
Accrued product warranties, beginning of period
$
16,652

 
$
15,994

 
$
16,152

 
$
16,046

Amounts paid for warranty services
(1,754
)
 
(2,090
)
 
(4,146
)
 
(4,257
)
Warranty provisions for products sold
1,835

 
1,299

 
4,541

 
3,134

Currency translation adjustments and other
58

 
119

 
244

 
399

Accrued product warranties, end of period
$
16,791

 
$
15,322

 
$
16,791

 
$
15,322

Current accrued product warranties, end of period
 
 
 
 
$
13,638

 
$
13,232

Long-term accrued product warranties, end of period
 
 
 
 
$
3,153

 
$
2,090