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Product Liability, Litigation and Other Contingencies (Details)
12 Months Ended
Dec. 28, 2013
Product Liability Litigation and Other Contingencies (Additional Textual) [Abstract]  
Expiry period of product liability 2015-01
National Football League | Former Collegiate
 
Product Liability, Litigation and Other Contingencies (Textual) [Abstract]  
Suits pending 74