Restructuring Charges (Summary of Restructuring Charges) (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 Charges	$ 13.0	$ 0.0	$ 7.8
Restructuring and Related Cost, Expected Cost Remaining	16.7
Severance Costs	$ 24.1
Restructuring and Related Cost, Expected Number of Positions Eliminated	300
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent	3.00%
Effect on Future Earnings, Amount	$ 30.0
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	2.3
Severance Costs	24.1
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	14.4
Restructuring and Related Cost, Incurred Cost	11.1
Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	11.7
Severance Costs	10.6
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
ExpectedRestructuringCostsin2018 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	10.6
ExpectedRestructuringCostsin2018 [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	3.3
ExpectedRestructuringCostsin2018 [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	7.3
ExpectedRestructuringCostsin2018 [Member] | Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	5.5
ExpectedRestructuringCostsin2018 [Member] | Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	4.5
ExpectedRestructuringCostsin2018 [Member] | Aerospace And Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	0.6
ExpectedRestructuringCostsin2019 [Member] [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	4.5
ExpectedRestructuringCostsin2019 [Member] [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Netgainonrestructuring	(1.0)
ExpectedRestructuringCostsin2019 [Member] [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	5.5
ExpectedRestructuringCostsin2019 [Member] [Member] | Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	4.6
ExpectedRestructuringCostsin2019 [Member] [Member] | Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	(3.2)
ExpectedRestructuringCostsin2019 [Member] [Member] | Aerospace And Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	3.1
ExpectedRestructuringCostsin2020[Member] [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1.6
ExpectedRestructuringCostsin2020[Member] [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1.6
ExpectedRestructuringCostsin2020[Member] [Member] | Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	$ 1.6