Schedule II Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 6.7	$ 10.3	$ 5.2
Charged to costs and expenses	1.3	0.6	4.2
Acquisitions	2.3	0.0	1.6
Deductions and other	(0.1)	(4.2)	(0.7)
Balance at end of period	10.2	6.7	10.3
Environmental reserves
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	6.0	5.1	7.0
Charged to costs and expenses	0.6	1.6	2.3
Acquisitions	0.0	0.0	0.3
Deductions and other	(0.6)	(0.7)	(4.5)
Balance at end of period	$ 6.0	$ 6.0	$ 5.1