Goodwill and Other Intangibles Amortizable Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	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