v3.25.2
GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in carrying amount of goodwill (Details)
$ in Thousands
9 Months Ended
Jun. 30, 2025
USD ($)
GOODWILL AND OTHER INTANGIBLE ASSETS  
Beginning Balance $ 529,935
Acquisition activity 222,700
Foreign currency translation 8,000
Ending Balance 760,555
USG  
GOODWILL AND OTHER INTANGIBLE ASSETS  
Beginning Balance 356,900
Foreign currency translation 3,500
Ending Balance 360,400
Test  
GOODWILL AND OTHER INTANGIBLE ASSETS  
Beginning Balance 67,400
Foreign currency translation 900
Ending Balance 68,300
A&D  
GOODWILL AND OTHER INTANGIBLE ASSETS  
Beginning Balance 105,600
Acquisition activity 222,700
Foreign currency translation 3,600
Ending Balance $ 331,900