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Contingencies (Details) (USD $)
 9 Months Ended 0 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 28, 2013
Insurance Environmental and Litigation Matters [Member]
Dec. 29, 2012
Insurance Environmental and Litigation Matters [Member]
Feb. 04, 2009
Tierra Maxus Litigation Third Party Complaint [Member]
defendant
Sep. 28, 2013
Tierra Maxus Litigation Third Party Complaint [Member]
entity
Loss Contingencies [Line Items]          
Reserves for insurance, environmental and litigation contingencies   $ 35,700,000 $ 37,000,000    
Insurance Settlements Receivable, Noncurrent   9,300,000 9,300,000    
Loss Contingency, Number of Defendants       2  
Number of entities involved in third party complaint         300
Litigation Settlement, Amount $ 195,000