SHAREHOLDERS' EQUITY (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Changes in shareholder's equity | ||||
| Beginning balance | $ 1,540,871 | |||
| Net Income (Loss) | $ 32,735 | $ 26,065 | 96,159 | $ 80,571 |
| Ending balance | 1,617,262 | 1,326,614 | 1,617,262 | 1,326,614 |
| Common stock | ||||
| Changes in shareholder's equity | ||||
| Beginning balance | 310 | 309 | 309 | 308 |
| Stock plans | 1 | 1 | ||
| Ending balance | 310 | 309 | 310 | 309 |
| Additional paid-in-capital | ||||
| Changes in shareholder's equity | ||||
| Beginning balance | 312,304 | 311,438 | 316,194 | 311,942 |
| Stock plans | 3,296 | 2,211 | (594) | 1,707 |
| Ending balance | 315,600 | 313,649 | 315,600 | 313,649 |
| Retained earnings | ||||
| Changes in shareholder's equity | ||||
| Beginning balance | 1,433,192 | 1,133,326 | 1,373,911 | 1,082,950 |
| Net Income (Loss) | 32,735 | 26,065 | 96,159 | 80,571 |
| Dividends paid | (2,073) | (2,066) | (6,216) | (6,196) |
| Ending balance | 1,463,854 | 1,157,325 | 1,463,854 | 1,157,325 |
| Accumulated other comprehensive income (loss) | ||||
| Changes in shareholder's equity | ||||
| Beginning balance | (13,311) | (20,670) | (2,468) | (10,775) |
| Foreign currency translation | (2,116) | 23,076 | (12,959) | 13,181 |
| Ending balance | (15,427) | 2,406 | (15,427) | 2,406 |
| Treasury stock | ||||
| Changes in shareholder's equity | ||||
| Beginning balance | (147,075) | (147,075) | (147,075) | (147,075) |
| Ending balance | $ (147,075) | $ (147,075) | $ (147,075) | $ (147,075) |
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- Definition Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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