Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Sep. 30, 2020
Other Intangible Assets [Abstract]    
Carrying Amount $ 589,870 $ 579,357
Accumulated Amortization (284,575) (245,859)
Net 305,295 333,498
Indefinite-lived trade names    
Other Intangible Assets [Abstract]    
Carrying Amount 30,540 30,540
Net 30,540 30,540
Definite-lived trade names    
Other Intangible Assets [Abstract]    
Carrying Amount 148,934 148,867
Accumulated Amortization (83,129) (64,462)
Net 65,805 84,405
Customer relationships    
Other Intangible Assets [Abstract]    
Carrying Amount 389,565 379,246
Accumulated Amortization (186,391) (166,892)
Net 203,174 212,354
Copyrights/patents/other    
Other Intangible Assets [Abstract]    
Carrying Amount 20,831 20,704
Accumulated Amortization (15,055) (14,505)
Net $ 5,776 $ 6,199