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Gain on Equity Sale (Narratives) (Details) (USD $)
9 Months Ended 12 Months Ended 9 Months Ended
Oct. 03, 2014
Sep. 27, 2013
Oct. 03, 2014
VirtualSite Solutions [Member]
Jan. 03, 2014
VirtualSite Solutions [Member]
Oct. 03, 2014
Corporate Joint Venture [Member]
VirtualSite Solutions [Member]
Schedule of Equity Method Investments [Line Items]          
Percentage of Shares Ownership Sold     15.00%    
Percentage of Ownership before Transaction       65.00%  
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners       35.00% 50.00%
Percentage of Ownership after Transaction         50.00%
Deconsolidation, Gain (Loss), Amount $ 15,091,000 $ 0      
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount $ 8,500,000        
Equity Method Investment, Ownership Percentage     50.00%