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Restructuring (Summary of Restructuring Charges) (Details) $ in Millions | 12 Months Ended
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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

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