Schedule II - Consolidated Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance for doubtful accounts and sales allowances
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	$ 23.1	$ 12.7	$ 14.5
Additions charged to costs and expenses	8.4	11.9	4.3
Deductions	(7.9)	(7.3)	(5.9)
Other	(3.3)	5.8	(0.2)
Balance at end of year	20.3	23.1	12.7
Reserve for inventory obsolescence
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year	30.3	38.1	37.2
Additions charged to costs and expenses	6.3	6.7	5.3
Deductions	(3.2)	(4.5)	(6.3)
Other	0.0	(10.0)	1.9
Balance at end of year	$ 33.4	$ 30.3	$ 38.1