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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Consolidated Balance Sheets (Parenthetical) [Abstract] |  |
Allowance for doubtful accounts | $ 21.4 | $ 17.2
Accumulated depreciation | 1,152.3 | 1,150.4
Intangible assets, accumulated amortization | $ 879.5 | $ 863.6

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