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v3.25.3

Goodwill and Other Intangible Assets - Carrying amount of goodwill attributable to each business segment from continuing operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Goodwill and Other Intangible Assets |  |
Beginning Balance | $ 529,935 | $ 493,200
Acquisition activity | 226,500 | 30,900
Foreign currency translation and other | 5,500 | 5,800
Ending Balance | 761,931 | 529,935
A&D |  |
Goodwill and Other Intangible Assets |  |
Beginning Balance | 105,600 | 105,600
Acquisition activity | 226,500 |
Foreign currency translation and other | 1,900 |
Ending Balance | 334,000 | 105,600
Test |  |
Goodwill and Other Intangible Assets |  |
Beginning Balance | 67,400 | 34,000
Acquisition activity |  | 30,900
Foreign currency translation and other | 400 | 2,500
Ending Balance | 67,800 | 67,400
USG |  |
Goodwill and Other Intangible Assets |  |
Beginning Balance | 356,900 | 353,600
Foreign currency translation and other | 3,200 | 3,300
Ending Balance | $ 360,100 | $ 356,900

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