Restructuring Charges (Summary of Restructuring Charges) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 7.2	$ 13.0	$ 0.0
2017Repositioning [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	5.6
Restructuring and Related Cost, Expected Cost Remaining	11.5
Severance Costs	6.2
Restructuring (reversal of cost)	(0.6)
Restructuring and Related Cost, Expected Number of Positions Eliminated		300
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent		3.00%
Other Costs related to repositioning actions	7.5
Effect on Future Earnings, Amount	30.0
2017Repositioning [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	2.1
2017Repositioning [Member] | Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	6.1
Restructuring and Related Cost, Expected Cost Remaining	7.2
Other Restructuring Costs	0.0
2017Repositioning [Member] | Fluid Handling [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	6.1
2017Repositioning [Member] | Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0.5
Restructuring and Related Cost, Expected Cost Remaining	1.3
2017Repositioning [Member] | Payment and Merchandising Technologies [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0.1
2017Repositioning [Member] | Aerospace And Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	3.0
Restructuring (reversal of cost)	(1.0)
2017Repositioning [Member] | Aerospace And Electronics [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0.0
2017Repositioning [Member] | ExpectedRestructuringCostsin2019 [Member] [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	9.9
2017Repositioning [Member] | ExpectedRestructuringCostsin2019 [Member] [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Netgainonrestructuring	2.1
2017Repositioning [Member] | ExpectedRestructuringCostsin2019 [Member] [Member] | Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	5.6
2017Repositioning [Member] | ExpectedRestructuringCostsin2019 [Member] [Member] | Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1.3
2017Repositioning [Member] | ExpectedRestructuringCostsin2019 [Member] [Member] | Aerospace And Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	3.0
2017Repositioning [Member] | ExpectedRestructuringCostsin2020[Member] [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1.6
2017Repositioning [Member] | ExpectedRestructuringCostsin2020[Member] [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	0.0
2017Repositioning [Member] | ExpectedRestructuringCostsin2020[Member] [Member] | Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	1.6
2017Repositioning [Member] | ExpectedRestructuringCostsin2020[Member] [Member] | Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	0.0
2017Repositioning [Member] | ExpectedRestructuringCostsin2020[Member] [Member] | Aerospace And Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	0.0
cumulative [Member] | 2017Repositioning [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	29.7
Severance Costs	30.3
Restructuring (reversal of cost)	(0.6)
cumulative [Member] | 2017Repositioning [Member] | Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	16.7
Severance Costs	16.7
Other Restructuring Costs	0.0
cumulative [Member] | 2017Repositioning [Member] | Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	12.7
Severance Costs	12.3
Other Restructuring Costs	0.4
cumulative [Member] | 2017Repositioning [Member] | Aerospace And Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0.3
Severance Costs	1.3
Restructuring (reversal of cost)	$ (1.0)