Restructuring Charges (Narrative) (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) employee	Dec. 31, 2018 USD ($) employee	Dec. 31, 2017 USD ($) employee
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 11.4	$ 1.6	$ 1.6	$ 2.9	$ 1.8	$ 5.2	$ (0.6)	$ 0.8	$ 17.5	$ 7.2	$ 13.0
Acquisition-Related Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges									5.3
Restructuring and Related Cost, Expected Number of Positions Eliminated | employee										170
Acquisition-Related Restructuring [Member] | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring charges									5.3
2017 Repositioning Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	0.9								0.9
Restructuring charges									2.3
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent										2.00%
2019 Repositioning Actions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges									9.9
2019 Repositioning Actions [Member] | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring charges									$ 9.9
Restructuring and Related Cost, Expected Number of Positions Eliminated | employee									180
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent									1.00%
2017Repositioning [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	12.7				23.2				$ 12.7	$ 23.2	$ 24.1
Restructuring charges									2.3	5.6
Restructuring and Related Cost, Expected Number of Positions Eliminated | employee											300
Restructuring and Related Cost, Number of Positions Eliminated, Period Percent											3.00%
Other Costs related to repositioning actions									11.0	7.5
2017Repositioning [Member] | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1.6				9.4				1.6	9.4	$ 12.2
Restructuring charges									2.1	0.5
2017Repositioning [Member] | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.8				0.9				0.8	0.9	1.3
Restructuring (reversal of cost)									(0.4)	(1.0)
Restructuring charges									(0.4)
2017Repositioning [Member] | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	10.3				12.9				10.3	12.9	10.6
Restructuring charges									0.6	6.1
Facility Closing [Member] | Acquisition-Related Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Other Costs related to repositioning actions									0.6
Employee Severance [Member] | 2017Repositioning [Member] | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1.6				9.4				1.6	9.4	12.2
Restructuring charges									0.3	0.1
Employee Severance [Member] | 2017Repositioning [Member] | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.6				0.9				0.6	0.9	1.3
Restructuring charges									0.0	0.0
Employee Severance [Member] | 2017Repositioning [Member] | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	10.3				12.9				10.3	12.9	10.6
Restructuring charges									0.6	6.1
Other Restructuring [Member] | 2017Repositioning [Member] | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.0				0.0				0.0	0.0	0.0
Restructuring charges									1.8	0.4
Other Restructuring [Member] | 2017Repositioning [Member] | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.2				0.0				0.2	0.0	0.0
Restructuring (reversal of cost)									(0.4)	(1.0)
Other Restructuring [Member] | 2017Repositioning [Member] | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0.0				$ 0.0				0.0	0.0	$ 0.0
Restructuring charges									0.0	$ 0.0
ExpectedRestructuringCostsin2020[Member] [Member] | 2019 Repositioning Actions [Member] | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	4.8								4.8
ExpectedRestructuringin2021 [Member] | 2019 Repositioning Actions [Member] | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost Remaining	$ 4.2								4.2
cumulative [Member] | Acquisition-Related Restructuring [Member] | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring charges									6.9
cumulative [Member] | 2017Repositioning [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges									32.0
cumulative [Member] | 2017Repositioning [Member] | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring charges									14.8
cumulative [Member] | 2017Repositioning [Member] | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Restructuring charges									(0.1)
cumulative [Member] | 2017Repositioning [Member] | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring charges									$ 17.3