Restructuring (Summary of Restructuring Charges) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) leaseFacility	Dec. 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Severance	$ (1.4)	$ 28.6	$ 12.5
Other	15.5	(3.1)	(5.0)
Total	(16.9)	$ 31.7	17.5
Number of exit leased facilities | leaseFacility		3
Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Total	0.0	$ 6.5	(0.4)
Process Flow Technologies
Restructuring Cost and Reserve [Line Items]
Total	(13.2)	6.1	10.5
Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Total	(3.7)	19.1	7.4
2020 Repositioning
Restructuring Cost and Reserve [Line Items]
Severance	(0.9)	26.9	0.0
Other	2.8	(4.6)	0.0
Total	(3.7)	31.5	0.0
2020 Repositioning | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Severance	0.0	6.5	0.0
Other	0.0	0.0	0.0
Total	0.0	6.5	0.0
2020 Repositioning | Process Flow Technologies
Restructuring Cost and Reserve [Line Items]
Severance	(0.1)	3.8	0.0
Other	0.0	0.0	0.0
Total	(0.1)	3.8	0.0
2020 Repositioning | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance	(0.8)	16.6	0.0
Other	2.8	(4.6)	0.0
Total	(3.6)	21.2	0.0
2019 Repositioning
Restructuring Cost and Reserve [Line Items]
Severance	0.1	6.1	9.9
Other	0.0	0.0	0.0
Total	0.1	6.1	9.9
2019 Repositioning | Process Flow Technologies
Restructuring Cost and Reserve [Line Items]
Severance	0.1	6.1	9.9
Other	0.0	0.0	0.0
Total	0.1	6.1	9.9
2017 Repositioning
Restructuring Cost and Reserve [Line Items]
Severance	(0.6)	(4.7)	0.9
Other	12.7	1.5	(1.4)
Total	(13.3)	(6.2)	2.3
2017 Repositioning | Aerospace & Electronics
Restructuring Cost and Reserve [Line Items]
Severance	0.0	0.0	0.0
Other	0.0	0.0	0.4
Total	0.0	0.0	(0.4)
2017 Repositioning | Process Flow Technologies
Restructuring Cost and Reserve [Line Items]
Severance	(0.4)	(3.8)	0.6
Other	12.7	0.0	0.0
Total	(13.1)	(3.8)	0.6
2017 Repositioning | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance	(0.2)	(0.9)	0.3
Other	0.0	1.5	(1.8)
Total	(0.2)	(2.4)	2.1
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Severance	0.0	0.0	1.7
Other	0.0	0.0	(3.6)
Total	0.0	0.0	5.3
Other Restructuring | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance	0.0	0.0	1.7
Other	0.0	0.0	(3.6)
Total	0.0	0.0	5.3
Other
Restructuring Cost and Reserve [Line Items]
Severance	0.0	0.3	0.0
Other	0.0	0.0	0.0
Total	0.0	0.3	0.0
Other | Payment & Merchandising Technologies
Restructuring Cost and Reserve [Line Items]
Severance	0.0	0.3	0.0
Other	0.0	0.0	0.0
Total	$ 0.0	$ 0.3	$ 0.0