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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
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Nov. 30, 2023 | Aug. 31, 2023 | Nov. 30, 2022 | Aug. 31, 2022
Pension and postretirement adjustments, tax portion | $ 0.0 | $ 0.1 | $ 0.0 | $ 0.1
Common Class A |  |  |  |
Dividends declared per class A and common share (in Dollars per share) | $ 0.20 |  |  | $ 0.20
Common Class |  |  |  |
Dividends declared per class A and common share (in Dollars per share) |  | $ 0.20 |  | $ 0.20

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