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Restructuring (Summary of Restructuring Charges) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | $ (0.2) | $ 22.2 | $ (0.6) | $ 22.5
Other | 0.0 | (1.0) | 12.7 | 0.5
Total | (0.2) | 23.2 | (13.3) | 22.0
Aerospace & Electronics |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total | 0.0 | 4.7 | 0.0 | 4.7
Process Flow Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total | 0.0 | 4.7 | (12.6) | 4.7
Payment & Merchandising Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total | (0.2) | 13.8 | (0.7) | 12.6
2020 Repositioning Actions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 0.0 | 23.2 | (0.5) | 23.2
Other | 0.0 | (1.0) | 0.0 | (1.0)
Total | 0.0 | 24.2 | (0.5) | 24.2
2020 Repositioning Actions | Aerospace & Electronics |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 0.0 | 4.7 | 0.0 | 4.7
Other | 0.0 | 0.0 | 0.0 | 0.0
Total | 0.0 | 4.7 | 0.0 | 4.7
2020 Repositioning Actions | Process Flow Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 0.0 | 4.7 | 0.0 | 4.7
Other | 0.0 | 0.0 | 0.0 | 0.0
Total | 0.0 | 4.7 | 0.0 | 4.7
2020 Repositioning Actions | Payment & Merchandising Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 0.0 | 13.8 | (0.5) | 13.8
Other | 0.0 | (1.0) | 0.0 | (1.0)
Total | 0.0 | 14.8 | (0.5) | 14.8
2019 Repositioning Actions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance |  |  | 0.1 | 0.0
Other |  |  | 0.0 | 0.0
Total |  |  | 0.1 | 0.0
2019 Repositioning Actions | Process Flow Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance |  |  | 0.1 | 0.0
Other |  |  |  | 0.0
Total |  |  | 0.1 | 0.0
2017 Repositioning Actions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | (0.2) | (1.0) | (0.2) | (1.0)
Other | 0.0 | 0.0 | 12.7 | 1.5
Total | (0.2) | (1.0) | (12.9) | (2.5)
2017 Repositioning Actions | Process Flow Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance |  |  | 0.0 | 0.0
Other |  |  | 12.7 | 0.0
Total |  |  | (12.7) | 0.0
2017 Repositioning Actions | Payment & Merchandising Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | (0.2) | (1.0) | (0.2) | (1.0)
Other | 0.0 | 0.0 | 0.0 | 1.5
Total | $ (0.2) | $ (1.0) | (0.2) | (2.5)
Other Restructuring |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance |  |  | 0.0 | 0.3
Other |  |  | 0.0 | 0.0
Total |  |  | 0.0 | 0.3
Other Restructuring | Payment & Merchandising Technologies |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance |  |  | 0.0 | 0.3
Other |  |  | 0.0 | 0.0
Total |  |  | $ 0.0 | $ 0.3

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