Quarterly report pursuant to Section 13 or 15(d)

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

v3.24.0.1
Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Sep. 30, 2023
Other Intangible Assets [Abstract]    
Carrying Amount $ 579,618 $ 579,261
Accumulated Amortization (428,276) (418,783)
Net 151,342 160,478
Definite-lived trade names    
Other Intangible Assets [Abstract]    
Carrying Amount 151,481 151,185
Accumulated Amortization (123,849) (122,474)
Net 27,632 28,711
Customer relationships    
Other Intangible Assets [Abstract]    
Carrying Amount 377,957 378,161
Accumulated Amortization (288,596) (280,910)
Net 89,361 97,251
Copyrights/patents/other    
Other Intangible Assets [Abstract]    
Carrying Amount 19,640 19,375
Accumulated Amortization (15,831) (15,399)
Net 3,809 3,976
Indefinite-lived trade names    
Other Intangible Assets [Abstract]    
Carrying Amount 30,540 30,540
Net $ 30,540 $ 30,540