Intangbile assets Textuals (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Period Increase (Decrease)	$ 13.4	$ 5.5
Finite-lived Intangible Assets Acquired	5.7	44.1
Amortization of Intangible Assets	73.6	75.2	$ 78.0
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	73.5
Finite-Lived Intangible Assets, Amortization Expense, Year Two	66.3
Finite-Lived Intangible Assets, Amortization Expense, Year Three	64.5
Finite-Lived Intangible Assets, Amortization Expense, Year Four	63.0
Finite-Lived Intangible Assets, Amortization Expense, Year Five	43.4
Terra Renewal Services [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Period Increase (Decrease)	$ 0.5	$ 44.6