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Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Foreign Currency Translation Adjustments [Member] | Unrealized Derivative Gains (Losses) [Member] | Minimum Retirement Benefit Liability Adjustments [Member] | Total Accumulated Other Comprehensive (Loss) Earnings [Member] | Deferred Compensation [Member] | Retained Earnings [Member] | Treasury Stock at Cost [Member] | Treasury Stock Held for Deferred Compensation [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances at Sep. 30, 2024 | $ 2,176,416 | $ 106 | $ 396,554 | $ (39,129) | $ (5,177) | $ 11,608 | $ (32,698) | $ 2,662 | $ 3,223,259 | $ (1,410,805) | $ (2,662)
Net earnings | 196,040 |  |  |  |  |  |  |  | 196,040 |  |
Other comprehensive earnings (loss), net of tax | (17,780) |  |  | (15,523) | (2,157) | (100) | (17,780) |  |  |  |
Cash dividends paid | (31,453) |  |  |  |  |  |  |  | (31,453) |  |
Purchases of treasury stock | (79,493) |  |  |  |  |  |  |  |  | (79,493) |
Sales of treasury stock | 49,489 |  | 14,844 |  |  |  |  |  |  | 34,645 |
Common shares issued from treasury to settle benefit obligations | 24,912 |  | 18,378 |  |  |  |  |  |  | 6,534 |
Stock-based compensation | 19,376 |  | 19,376 |  |  |  |  |  |  |  |
Purchases of stock by deferred compensation |  |  |  |  |  |  |  | 82 |  |  | (82)
Distribution of stock from deferred compensation |  |  |  |  |  |  |  | (981) |  |  | 981
Balances at Mar. 31, 2025 | 2,337,507 | 106 | 449,152 | (54,652) | (7,334) | 11,508 | (50,478) | 1,763 | 3,387,846 | (1,449,119) | (1,763)
Balances at Dec. 31, 2024 | 2,208,421 | 106 | 414,175 | (72,514) | (12,492) | 11,297 | (73,709) | 1,752 | 3,295,569 | (1,427,720) | (1,752)
Net earnings | 108,949 |  |  |  |  |  |  |  | 108,949 |  |
Other comprehensive earnings (loss), net of tax | 23,231 |  |  | 17,862 | 5,158 | 211 | 23,231 |  |  |  |
Cash dividends paid | (16,672) |  |  |  |  |  |  |  | (16,672) |  |
Purchases of treasury stock | (44,020) |  |  |  |  |  |  |  |  | (44,020) |
Sales of treasury stock | 20,830 |  | 4,504 |  |  |  |  |  |  | 16,326 |
Common shares issued from treasury to settle benefit obligations | 24,058 |  | 17,763 |  |  |  |  |  |  | 6,295 |
Stock-based compensation | 12,710 |  | 12,710 |  |  |  |  |  |  |  |
Purchases of stock by deferred compensation |  |  |  |  |  |  |  | 34 |  |  | (34)
Distribution of stock from deferred compensation |  |  |  |  |  |  |  | (23) |  |  | 23
Balances at Mar. 31, 2025 | 2,337,507 | 106 | 449,152 | (54,652) | (7,334) | 11,508 | (50,478) | 1,763 | 3,387,846 | (1,449,119) | (1,763)
Balances at Sep. 30, 2025 | 2,566,390 | 106 | 482,259 | (18,950) | (5,847) | 14,382 | (10,415) | 1,741 | 3,600,395 | (1,505,955) | (1,741)
Net earnings | 267,732 |  |  |  |  |  |  |  | 267,732 |  |
Other comprehensive earnings (loss), net of tax | (9,331) |  |  | (11,086) | 1,920 | (165) | (9,331) |  |  |  |
Cash dividends paid | (35,853) |  |  |  |  |  |  |  | (35,853) |  |
Purchases of treasury stock | (354,890) |  |  |  |  |  |  |  |  | (354,890) |
Sales of treasury stock | 40,476 |  | 15,218 |  |  |  |  |  |  | 25,258 |
Common shares issued from treasury to settle benefit obligations | 29,813 |  | 26,288 |  |  |  |  |  |  | 3,525 |
Stock-based compensation | 21,123 |  | 21,123 |  |  |  |  |  |  |  |
Purchases of stock by deferred compensation |  |  |  |  |  |  |  | 281 |  |  | (281)
Distribution of stock from deferred compensation |  |  |  |  |  |  |  | (104) |  |  | 104
Balances at Mar. 31, 2026 | 2,525,460 | 106 | 544,888 | (30,036) | (3,927) | 14,217 | (19,746) | 1,918 | 3,832,274 | (1,832,062) | (1,918)
Balances at Dec. 31, 2025 | 2,587,488 | 106 | 497,787 | (15,515) | (3,465) | 14,312 | (4,668) | 1,947 | 3,717,350 | (1,623,087) | (1,947)
Net earnings | 134,013 |  |  |  |  |  |  |  | 134,013 |  |
Other comprehensive earnings (loss), net of tax | (15,078) |  |  | (14,521) | (462) | (95) | (15,078) |  |  |  |
Cash dividends paid | (19,089) |  |  |  |  |  |  |  | (19,089) |  |
Purchases of treasury stock | (225,503) |  |  |  |  |  |  |  |  | (225,503) |
Sales of treasury stock | 19,723 |  | 6,720 |  |  |  |  |  |  | 13,003 |
Common shares issued from treasury to settle benefit obligations | 29,813 |  | 26,288 |  |  |  |  |  |  | 3,525 |
Stock-based compensation | 14,093 |  | 14,093 |  |  |  |  |  |  |  |
Purchases of stock by deferred compensation |  |  |  |  |  |  |  | 17 |  |  | (17)
Distribution of stock from deferred compensation |  |  |  |  |  |  |  | (46) |  |  | 46
Balances at Mar. 31, 2026 | $ 2,525,460 | $ 106 | $ 544,888 | $ (30,036) | $ (3,927) | $ 14,217 | $ (19,746) | $ 1,918 | $ 3,832,274 | $ (1,832,062) | $ (1,918)

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