Warranty (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Product Warranties Disclosures [Abstract]
Machine warranty, range maximum (in years)	4 years
Period of time following a sale the majority of claims are paid, range maximum (in years)	9 months
Changes in warranty reserves
Beginning balance	$ 13.1	$ 12.7
Additions charged to expense	9.7	10.9
Foreign currency fluctuations	(0.1)	(0.2)
Claims paid	(8.8)	(9.8)
Ending balance	$ 13.9	$ 13.6