Matthews International Corporation Annual report pursuant to Section 13 and 15(d)

ASSET WRITE-DOWNS (Details) - USD ($)	3 Months Ended	12 Months Ended
ASSET WRITE-DOWNS (Details) - USD ($)	Sep. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Impaired Long-Lived Assets Held and Used [Line Items]
Non cash impairment charge	$ 6,844,000	$ 33,574,000	$ 0	$ 92,504,000
Assets, carrying value				0
Cost of Sales
Impaired Long-Lived Assets Held and Used [Line Items]
Non cash impairment charge				9,686,000
Administrative Expense
Impaired Long-Lived Assets Held and Used [Line Items]
Non cash impairment charge				$ 364,000