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Significant Accounting Policies (Property, Plant and Equipment) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Buildings      
Property, plant and equipment      
Useful life 30 years    
Machinery and equipment      
Property, plant and equipment      
Useful life 5 years    
Furniture and fixtures      
Property, plant and equipment      
Useful life 5 years    
Computer equipment and software | Minimum      
Property, plant and equipment      
Useful life 2 years    
Computer equipment and software | Maximum      
Property, plant and equipment      
Useful life 7 years    
Retail stores      
Property, plant and equipment      
Impairment losses $ 11.1 $ 9.3 $ 5.8