Subsequent Events Manufacturing Transition (Details) - Q2 2018 Restructuring - Subsequent Event $ in Millions	1 Months Ended
	Apr. 30, 2018 USD ($) employee
Subsequent Event [Line Items]
Number of employees eliminated | employee	60
Minimum
Subsequent Event [Line Items]
Effect on Future Earnings, Amount	$ 3.0
Maximum
Subsequent Event [Line Items]
Effect on Future Earnings, Amount	5.0
Employee Termination Costs
Subsequent Event [Line Items]
Restructuring Charges	$ 0.6