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Inventories
3 Months Ended
Mar. 25, 2012
Inventories [Abstract]  
Inventory Disclosure [Text Block]
Inventories
(Dollars in thousands)
 
 
 
 
March 25, 2012
 
December 25, 2011
Raw materials
$
19,007

 
$
24,347

Work in process
31,267

 
26,921

Finished goods
18,852

 
15,665

Inventories
$
69,126

 
$
66,933


Service wheel inventory included in other non-current assets in the condensed consolidated balance sheets was $3.8 million and $2.8 million at March 25, 2012 and December 25, 2011, respectively.