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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Current assets: |  |  |  |
Allowance for doubtful accounts | $ 89,606,000 | $ 79,059,000 | $ 80,757,000 | $ 80,013,000
Contract asset, allowance for doubtful accounts | 4,915,000 | 3,404,000 | $ 4,808,000 | $ 4,993,000
Accumulated depreciation on property, plant and equipment | 1,219,158 | 1,142,667 |  |
Other assets, allowance for credit loss | $ 66,152,000 | $ 66,081,000 |  |
Shareholders’ equity: |  |  |  |
Common shares, par value (in dollars per share) | $ 1.25 |  |  |
Common shares, shares authorized (in shares) | 305,000 |  |  |
Common shares, shares issued (in shares) | 176,793 | 176,793 |  |
Treasury shares (in shares) | 48,817 | 45,688 |  |

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