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Goodwill and Other Intangibles Amortizable Intangibles (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value $ 155.4 $ 154.6
Accumulated amortization 58.1 42.5
Amortizable intangibles, net 97.3 112.1
Customer relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value 100.5 100.5
Accumulated amortization 16.7 11.5
Amortizable intangibles, net $ 83.8 $ 89.0
Average remaining life (years) 17 years 17 years
Licensing arrangements [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value $ 28.8 $ 28.8
Accumulated amortization 22.0 15.2
Amortizable intangibles, net $ 6.8 $ 13.6
Average remaining life (years) 1 year 2 years
Developed product technology [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value $ 14.9 $ 14.9
Accumulated amortization 9.8 6.8
Amortizable intangibles, net $ 5.1 $ 8.1
Average remaining life (years) 2 years 3 years
Other Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying value $ 11.2 $ 10.4
Accumulated amortization 9.6 9.0
Amortizable intangibles, net $ 1.6 $ 1.4
Average remaining life (years) 3 years 2 years