Restructuring Charges (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	$ 16.7
Restructuring charges	$ (13.0)	$ 0.0	$ (7.8)
Restructuring and Related Cost, Expected Number of Positions Eliminated	300
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent	3.00%
Severance Costs	$ 24.1
Restructuring and Related Cost, Expected Cost	30.0
Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1.3
Severance Costs	12.2
Aerospace And Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	3.7
Severance Costs	1.3
Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	11.7
Severance Costs	$ 10.6