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CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Special (gains) and charges | $ 111.4 | $ 140.5 | $ 102.6
Cost of sales |  |  |
Special (gains) and charges | 22.5 | 69.9 | 93.9
Other (income) expense |  |  |
Special (gains) and charges |  | 50.6 | 37.2
Interest expense |  |  |
Special (gains) and charges |  |  | 33.1
Product and equipment sales | Cost of sales |  |  |
Special (gains) and charges | 14.5 | 65.0 | 91.9
Service and lease sales | Cost of sales |  |  |
Special (gains) and charges | $ 8.0 | $ 4.9 | $ 2.0

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