Restructuring (Cumulative Restructuring and Remaining Costs) (Details) $ in Millions	Mar. 31, 2022 USD ($)
2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	$ 27.8
2019 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	16.1
2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	12.5
Severance | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	26.0
Severance | 2019 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	16.1
Severance | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	25.9
Other Restructuring | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	1.8
Other Restructuring | 2019 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	0.0
Other Restructuring | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	(13.4)
Aerospace & Electronics | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	6.5
Aerospace & Electronics | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	12.2
Aerospace & Electronics | Severance | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	6.5
Aerospace & Electronics | Severance | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	11.5
Aerospace & Electronics | Other Restructuring | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	0.0
Aerospace & Electronics | Other Restructuring | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	0.7
Process Flow Technologies | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	3.7
Process Flow Technologies | 2019 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	16.1
Process Flow Technologies | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	(0.1)
Process Flow Technologies | Severance | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	3.7
Process Flow Technologies | Severance | 2019 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	16.1
Process Flow Technologies | Severance | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	1.3
Process Flow Technologies | Other Restructuring | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	0.0
Process Flow Technologies | Other Restructuring | 2019 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	0.0
Process Flow Technologies | Other Restructuring | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	(1.4)
Payment & Merchandising Technologies | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	17.6
Payment & Merchandising Technologies | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	0.4
Payment & Merchandising Technologies | Severance | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	15.8
Payment & Merchandising Technologies | Severance | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	13.1
Payment & Merchandising Technologies | Other Restructuring | 2020 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	1.8
Payment & Merchandising Technologies | Other Restructuring | 2017 Repositioning Actions
Restructuring Cost and Reserve [Line Items]
Cumulative Restructuring Costs, Net	$ (12.7)