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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Jan. 02, 2016
Finite-Lived Intangible Assets [Line Items]          
Aggregated amortization expense $ 3.2 $ 2.7 $ 8.6 $ 8.2  
Trademarks and trade names          
Finite-Lived Intangible Assets [Line Items]          
Indefinite-lived intangible assets (excluding goodwill) $ 41.0   $ 41.0   $ 41.0