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Restructuring (Restructuring Reserve) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 5.2	$ 0.0	$ 5.4	$ 0.0
2017Repositioning [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			24.1
Restructuring Charges			4.7
Payments for Restructuring			(3.6)
Restructuring Reserve	25.2		25.2
2017Repositioning [Member] \| Fluid Handling [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			10.6
Restructuring Charges			4.9
Payments for Restructuring			(1.4)
Restructuring Reserve	14.1		14.1
2017Repositioning [Member] \| Fluid Handling [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			10.6
Restructuring Charges			4.9
Payments for Restructuring			(1.4)
Restructuring Reserve	14.1		14.1
2017Repositioning [Member] \| Fluid Handling [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			0.0
Restructuring Charges			0.0
Payments for Restructuring			0.0
Restructuring Reserve	0.0		0.0
2017Repositioning [Member] \| Payment and Merchandising Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			12.2
Restructuring Charges			0.5
Payments for Restructuring			(2.5)
Restructuring Reserve	10.2		10.2
2017Repositioning [Member] \| Payment and Merchandising Technologies [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			12.2
Restructuring Charges			0.1
Payments for Restructuring			(2.1)
Restructuring Reserve	10.2		10.2
2017Repositioning [Member] \| Payment and Merchandising Technologies [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			0.0
Restructuring Charges			0.4
Payments for Restructuring			(0.4)
Restructuring Reserve	0.0		0.0
2017Repositioning [Member] \| Aerospace and Electronics [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			1.3
Restructuring Charges			(0.7)
Payments for Restructuring			0.3
Restructuring Reserve	0.9		0.9
2017Repositioning [Member] \| Aerospace and Electronics [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			1.3
Restructuring Charges			0.0
Payments for Restructuring			(0.4)
Restructuring Reserve	0.9		0.9
2017Repositioning [Member] \| Aerospace and Electronics [Member] \| Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			0.0
Restructuring Charges			(0.7)
Payments for Restructuring			0.7
Restructuring Reserve	$ 0.0		$ 0.0