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Discontinued Operations (Tables)
6 Months Ended
Jun. 30, 2013
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
 
Three Months Ended
 
Six Months Ended
 
July 1, 2012
 
July 1, 2012
Revenues
$
49,222

 
$
175,364

Income (loss) from discontinued operations before income taxes
1,875

 
(744
)
Net income from discontinued operations
$
668

 
$
44