Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY (Details)

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SHAREHOLDERS' EQUITY (Details) - Class A common stock - $ / shares
Sep. 30, 2018
Sep. 30, 2017
Class of Stock [Line Items]    
Common stock, shares authorized (in shares) 70,000,000 70,000,000
Common stock, par value (in dollars per share) $ 1.00 $ 1.00
Matthews Stock Repurchase Program    
Class of Stock [Line Items]    
Shares authorized for repurchase (in shares) 5,000,000  
Shares remaining for repurchase (in shares) 1,422,282