Employee Benefit Plans (Details) - Pension Plan [Member] $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) plan	Jun. 30, 2017 USD ($)
Other Nonoperating Income (Expense) [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense | $	$ 0.2	$ 0.3	$ 0.5	$ 0.6
Cost of sales and selling, general and administrative expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost | $	$ 0.1	$ 0.1	$ 0.2	$ 0.2
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of noncontributory defined benefit pension plans			3
Foreign Plan [Member] | United Kingdom [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of noncontributory defined benefit pension plans			1
Foreign Plan [Member] | Germany [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of noncontributory defined benefit pension plans			2