Guarantees (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Movement in Standard Product Warranty Accrual [Roll Forward]
BALANCE AT JANUARY 1, (a)	$ 82.1	$ 92.7
Provision	4.6	3.5
Expenditures/payments/other	(4.2)	(12.0)
BALANCE AT MARCH 31, (a)	$ 82.5	$ 84.2