Restructuring Reserves (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015	Mar. 31, 2015
Advanced Plastic Processing Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Severance expense		$ 1.2
Melt Delivery and Control Systems [Member]
Restructuring Cost and Reserve [Line Items]
Severance expense		2.7
Fluid Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Severance expense		0.2
Other current liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Liability, severance-related actions	$ 3.2	3.2	$ 2.6
Other expense, net [Member]
Restructuring Cost and Reserve [Line Items]
Severance expense	$ 1.4	$ 4.1