Restructuring (Summary of Restructuring Charges) (Details) - 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]
Severance			$ 23.1	$ 2.0
Other			0.5	(4.1)
Total	$ 0.0	$ 1.6	22.6	6.1
Fluid Handling
Restructuring Cost and Reserve [Line Items]
Total	0.0	0.0	4.7	0.8
Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Total	0.0	1.6	12.6	5.4
Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Total	0.0	0.0	4.7	(0.1)
Engineered Materials
Restructuring Cost and Reserve [Line Items]
Total	$ 0.0	$ 0.0	0.6	0.0
2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Severance			23.8	0.0
Other			(1.0)	0.0
Total			24.8	0.0
2020 Repositioning Actions | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Severance			4.7	0.0
Other			0.0	0.0
Total			4.7	0.0
2020 Repositioning Actions | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance			13.8	0.0
Other			(1.0)	0.0
Total			14.8	0.0
2020 Repositioning Actions | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Severance			4.7	0.0
Other			0.0	0.0
Total			4.7	0.0
2020 Repositioning Actions | Engineered Materials
Restructuring Cost and Reserve [Line Items]
Severance			0.6	0.0
Other			0.0	0.0
Total			0.6	0.0
2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Severance			(1.0)	1.1
Other			1.5	(1.3)
Total			(2.5)	2.4
2017 Repositioning Actions | Fluid Handling
Restructuring Cost and Reserve [Line Items]
Severance			0.0	0.8
Other			0.0	0.0
Total			0.0	0.8
2017 Repositioning Actions | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance			(1.0)	0.3
Other			1.5	(1.4)
Total			(2.5)	1.7
2017 Repositioning Actions | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Severance			0.0	0.0
Other			0.0	0.1
Total			0.0	(0.1)
Acquisition-Related Restructuring
Restructuring Cost and Reserve [Line Items]
Severance			0.0	0.9
Other			0.0	(2.8)
Total			0.0	3.7
Acquisition-Related Restructuring | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance			0.0	0.9
Other			0.0	(2.8)
Total			0.0	3.7
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Severance			0.3	0.0
Other			0.0	0.0
Total			0.3	0.0
Other Restructuring | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance			0.3	0.0
Other			0.0	0.0
Total			$ 0.3	$ 0.0