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Note 8 - Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | ---
Intangibles assets, cost | $ 523,206 | $ 515,636
Intangibles assets, accumulated amortization | 275,176 | 221,335
Intangibles assets, net | 248,030 | 294,301
Patents [Member] |  |
Intangibles assets, cost | 1,227 | 1,226
Intangibles assets, accumulated amortization | 1,227 | 1,175
Intangibles assets, net | 0 | 51
Developed Technology Rights [Member] |  |
Intangibles assets, cost | 224,487 | 215,430
Intangibles assets, accumulated amortization | 82,736 | 56,021
Intangibles assets, net | 141,751 | 159,409
Trademarks and Trade Names [Member] |  |
Intangibles assets, cost | 6,988 | 6,630
Intangibles assets, accumulated amortization | 3,133 | 1,445
Intangibles assets, net | 3,855 | 5,185
Noncompete Agreements [Member] |  |
Intangibles assets, cost | 0 | 681
Intangibles assets, accumulated amortization | 0 | 568
Intangibles assets, net | 0 | 113
Customer Relationships [Member] |  |
Intangibles assets, cost | 289,821 | 290,800
Intangibles assets, accumulated amortization | 187,397 | 161,257
Intangibles assets, net | 102,424 | 129,543
Other Intangible Assets [Member] |  |
Intangibles assets, cost | 683 | 869
Intangibles assets, accumulated amortization | 683 | 869
Intangibles assets, net | $ 0 | $ 0

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