Revenue from Contracts with Customers (Details 3) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jan. 04, 2019	Dec. 31, 2018	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Deferred Revenue, Current			$ 6.1		$ 5.0
Deferred Revenue, Noncurrent			3.8		3.5
Movement in Deferred Revenue [Roll Forward]
Beginning balance	$ 8.5	$ 7.8
Increase in deferred revenue representing our obligation to satisfy future performance obligations	5.9	7.5
Deferred Revenue Addition from Acquisition				$ 1.4		$ 0.0
Decrease in deferred revenue for amounts recognized in Net Sales for satisfied performance obligations	(5.9)	(7.0)
Foreign currency fluctuations	0.0	(0.1)
Ending balance	9.9	8.2
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining 2019			4.8
2020			2.4
2021			1.6
2022			0.8
2023			0.3
Thereafter			0.0
Total	$ 8.5	$ 7.8	$ 9.9		$ 8.5	$ 8.2
Prepaid Maintenance Contract Duration, Minimum
Disaggregation of Revenue [Line Items]
Standard Prepaid Maintenance Contract Time Period	12 years
Prepaid Maintenance Contract Duration, Maximum
Disaggregation of Revenue [Line Items]
Standard Prepaid Maintenance Contract Time Period	60 years