Restructuring (Restructuring Charges by Segment) (Details) - Cost of Sales and Selling, General and Administrative - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ 1.4	$ 2.6	$ 4.0	$ 9.3
Fluid Handling
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	1.2	2.6	3.0	6.4
Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ 0.2	(0.6)	$ 1.0	0.4
Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net		$ 0.7		$ 2.8