Revenue from Contracts with Customers (Details 3) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Jan. 04, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Deferred Revenue, Current			$ 6.7		$ 5.0
Deferred Revenue, Noncurrent			3.9		3.5
Movement in Deferred Revenue [Roll Forward]
Beginning balance	$ 8.5	$ 8.3
Increase in deferred revenue representing our obligation to satisfy future performance obligations	3.8	3.7
Deferred Revenue Addition from Acquisition				$ 1.4	0.0
Decrease in deferred revenue for amounts recognized in Net Sales for satisfied performance obligations	(3.1)	(3.3)
Foreign currency fluctuations	0.0	0.1
Ending balance	10.6	8.8
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining 2019			6.0
2020			2.4
2021			1.4
2022			0.6
2023			0.2
Thereafter			0.0
Total	$ 8.5	$ 8.3	$ 10.6		$ 8.5
Prepaid Maintenance Contract Duration, Minimum
Disaggregation of Revenue [Line Items]
Standard Prepaid Maintenance Contract Time Period	12 months
Prepaid Maintenance Contract Duration, Maximum
Disaggregation of Revenue [Line Items]
Standard Prepaid Maintenance Contract Time Period	60 months