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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY (UNAUDITED) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2026 | Mar. 31, 2025
Foreign currency translation, tax benefit | $ 2.7 |  | $ 2.2 |
Derivative financial instrument, tax benefit (expense) | (0.0) | $ (5.1) | (0.3) | $ (2.1)
Minimum pension liability adjustment, income tax expense (benefit) | $ (0.2) | $ 0.0 | $ (0.1) | $ 0.0
Class A Common Stock |  |  |  |
Cash dividends declared per common share (in usd per share) | $ 0.56 | $ 0.54 | $ 1.12 | $ 1.08
Class B Common Stock |  |  |  |
Cash dividends declared per common share (in usd per share) | $ 0.84 | $ 0.81 | $ 1.67 | $ 1.61

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