Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Other Intangible Assets (Details)

v3.25.0.1
Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Sep. 30, 2024
Other Intangible Assets [Abstract]    
Carrying Amount $ 575,409 $ 581,691
Accumulated Amortization (458,531) (455,665)
Net 116,878 126,026
Definite-lived trade names    
Other Intangible Assets [Abstract]    
Carrying Amount 151,104 151,598
Accumulated Amortization (128,854) (127,829)
Net 22,250 23,769
Customer relationships    
Other Intangible Assets [Abstract]    
Carrying Amount 375,040 380,387
Accumulated Amortization (313,665) (311,621)
Net 61,375 68,766
Copyrights/patents/other    
Other Intangible Assets [Abstract]    
Carrying Amount 18,725 19,166
Accumulated Amortization (16,012) (16,215)
Net 2,713 2,951
Indefinite-lived trade names    
Other Intangible Assets [Abstract]    
Carrying Amount 30,540 30,540
Net $ 30,540 $ 30,540