Annual report pursuant to Section 13 and 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details)

v3.21.2
GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
reporting_unit
Sep. 30, 2019
USD ($)
Goodwill [Line Items]          
Accumulated goodwill impairment loss     $ 178,732 $ 178,732  
Number of reporting units | reporting_unit       2  
Goodwill write-down $ 90,408 $ 77,600 0 $ 90,408 $ 77,572
Amortization expense on intangible assets     84,233 71,514 $ 45,756
Future amortization expense [Abstract]          
Future amortization expense 2022     57,569    
Future amortization expense 2023     41,064    
Future amortization expense 2024     35,505    
Future amortization expense 2025     19,711    
Future amortization expense 2026     $ 14,686    
Graphics Imaging          
Goodwill [Line Items]          
Percent of fair value exceeding carrying value     5.00%    
SGK Brand Solutions          
Goodwill [Line Items]          
Accumulated goodwill impairment loss     $ 173,732 173,732  
Goodwill write-down       90,408  
Memorialization          
Goodwill [Line Items]          
Accumulated goodwill impairment loss     $ 5,000 5,000  
Goodwill write-down       $ 0