Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Sep. 30, 2018
Oct. 31, 2018
Mar. 31, 2018
Document and Entity Information [Abstract]      
Entity Registrant Name MATTHEWS INTERNATIONAL CORP    
Entity Central Index Key 0000063296    
Current Fiscal Year End Date --09-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filer No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1.6
Document Type 10-K    
Document Period End Date Sep. 30, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Amendment Description false    
Entity Common Stock, Shares Outstanding   32,073,394