XML 56 R20.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 28, 2012
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability
Changes in the product warranty accrual are summarized as follows:
 
Three months ended
 
Nine months ended
 
September 28,
2012

September 30,
2011
 
September 28,
2012
 
September 30,
2011
 
(in thousands)
 
(in thousands)
Balance, beginning of period
$
5,272


5,746

 
$
5,050

 
$
5,561

Payments made or service provided
(596
)

(1,296
)
 
(2,008
)
 
(3,248
)
Warranty expense
718


1,207

 
2,386

 
3,152

Foreign currency translation
47


(217
)
 
13

 
(25
)
Balance, end of period
$
5,441


$
5,440

 
$
5,441

 
$
5,440