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

Asset Write-Downs (Details) - USD ($) $ in Thousands	12 Months Ended
Asset Write-Downs (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Impaired Long-Lived Assets Held and Used [Line Items]
Asset write-downs	$ 10,050	$ 0	$ 0
Cost of Sales
Impaired Long-Lived Assets Held and Used [Line Items]
Asset write-downs	9,686
General and Administrative Expense
Impaired Long-Lived Assets Held and Used [Line Items]
Asset write-downs	$ 364