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Accrued Product Warrenties Accrued Product Warrenties (Tables)
 6 Months Ended
Jun. 30, 2012
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,
 
2012
 
2011
 
2012
 
2011
Accrued product warranties, beginning of period
$
15,994

 
$
18,960

 
$
16,046

 
$
18,686

Amounts paid for warranty services
(2,090
)
 
(2,193
)
 
(4,257
)
 
(5,181
)
Warranty provisions for products sold
1,299

 
2,319

 
3,134

 
5,027

Currency translation adjustments and other
119

 
128

 
399

 
682

Accrued product warranties, end of period
$
15,322

 
$
19,214

 
$
15,322

 
$
19,214

Current accrued product warranties, end of period
 
 
 
 
$
13,232

 
$
15,941

Long-term accrued product warranties, end of period
 
 
 
 
$
2,090

 
$
3,273