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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 03, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment included the following assets at November 30, 2011 and 2010:

 
2011
 
2010
Land
$
8,763

 
$
8,669

Buildings and building fixtures
99,778

 
95,452

Machinery and equipment
358,763

 
324,757

Construction in process
10,799

 
27,669

 
478,103

 
456,547

Accumulated depreciation
(293,111
)
 
(275,372
)
 
$
184,992

 
$
181,175