| Schedule of Product Warranty Liability [Table Text Block] |
|
|
|
Three
Months Ended
|
|
|
Nine
Months Ended
|
|
|
|
|
September
30, 2012
|
|
|
September
25, 2011
|
|
|
September
30, 2012
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|
|
September
25, 2011
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|
|
|
|
(in
thousands)
|
|
|
Balance
at beginning of period
|
|
$
|
3,860
|
|
|
$
|
1,838
|
|
|
$
|
2,537
|
|
|
$
|
3,635
|
|
|
Provision
for warranties issued
|
|
|
404
|
|
|
|
395
|
|
|
|
2,991
|
|
|
|
1,735
|
|
|
Settlements
made
|
|
|
(1,205
|
)
|
|
|
(824
|
)
|
|
|
(2,305
|
)
|
|
|
(3,289
|
)
|
|
Changes
in liability for pre-existing warranties during
the period
|
|
|
(89
|
)
|
|
|
(45
|
)
|
|
|
(253
|
)
|
|
|
(717
|
)
|
|
Balance
at end of period
|
|
$
|
2,970
|
|
|
$
|
1,364
|
|
|
$
|
2,970
|
|
|
$
|
1,364
|
|
|