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Investment in Woodbridge Holdings, LLC (Investment in venture and the adjustment to investment ) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Apr. 02, 2013
Business Acquisition [Line Items]    
Investment in Woodbridge, Beginning of Period $ 78,573  
Equity earnings in Woodbridge Holdings, LLC 6,222  
Investment in Woodbridge, End of Period 84,795  
Woodbridge Holdings, LLC [Member]
   
Business Acquisition [Line Items]    
Investment in Woodbridge, Beginning of Period 78,573 71,750
Equity earnings in Woodbridge Holdings, LLC 6,222  
Investment in Woodbridge, End of Period $ 84,795 $ 71,750