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v3.25.2

CONSOLIDATED STATEMENTS OF EARNINGS (Parenthetical) - Common Class B | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 $ / shares | Jun. 30, 2024 $ / shares | Jun. 30, 2025 $ / shares | Jun. 30, 2024 $ / shares
Net earnings (loss) per average equivalent Class B share, basic (in dollars per share) | $ 38.91 | $ (34.38) | $ 13.45 | $ (18.16)
Net earnings (loss) per average equivalent Class B share, diluted (in dollars per share) | $ 38.91 | $ (34.38) | $ 13.45 | $ (18.16)
Net earnings (loss) per equivalent share ratio | 0.2 | 0.2 | 0.2 | 0.2

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