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Goodwill and Other Intangibles Amortizable Intangibles (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 29, 2018 | Dec. 30, 2017
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying value | $ 115.1 | $ 114.0
Accumulated amortization | 43.2 | 37.0
Amortizable intangibles, net | 71.9 | 77.0
Customer relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying value | 100.5 | 100.5
Accumulated amortization | 31.7 | 26.6
Amortizable intangibles, net | $ 68.8 | $ 73.9
Average remaining life (years) | 14 years | 15 years
Other Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying value | $ 14.6 | $ 13.5
Accumulated amortization | 11.5 | 10.4
Amortizable intangibles, net | $ 3.1 | $ 3.1
Average remaining life (years) | 3 years | 3 years

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