| Schedule of intangible assets gross carrying amounts and accumulated amortization |
| | | | | | | | June 30, | | September 30, | (Dollars in thousands) | | 2025 | | 2024 | Goodwill | | $ | 760,555 | | 529,935 | | | | | | | Intangible assets with determinable lives: | | | | | | Patents | | | | | | Gross carrying amount | | $ | 7,566 | | 2,638 | Less: accumulated amortization | | | 1,643 | | 1,415 | Net | | $ | 5,923 | | 1,223 | | | | | | | Capitalized software | | | | | | Gross carrying amount | | $ | 135,564 | | 126,721 | Less: accumulated amortization | | | 98,058 | | 89,558 | Net | | $ | 37,506 | | 37,163 | | | | | | | Customer relationships | | | | | | Gross carrying amount | | $ | 627,932 | | 330,328 | Less: accumulated amortization | | | 149,786 | | 132,135 | Net | | $ | 478,146 | | 198,193 | | | | | | | Other | | | | | | Gross carrying amount | | $ | 77,441 | | 15,182 | Less: accumulated amortization | | | 16,895 | | 11,173 | Net | | $ | 60,546 | | 4,009 | Intangible assets with indefinite lives: | | | | | | Trade names | | $ | 162,958 | | 162,936 |
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