Matthews International Corporation Quarterly report pursuant to Section 13 or 15(d)

Debt - Derivatives (Details) - Designated as Hedging Instrument - Interest Rate Swaps - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Derivatives, Fair Value [Line Items]
Total derivatives	$ 3,552	$ (5,834)
Current assets: Other Current Assets
Derivatives, Fair Value [Line Items]
Assets derivatives	948	43
Long-term assets: Other Assets
Derivatives, Fair Value [Line Items]
Assets derivatives	2,693	150
Current Liabilities: Other Current Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	(25)	(1,529)
Long-Term Liabilities: Other Liabilities
Derivatives, Fair Value [Line Items]
Liability derivatives	$ (64)	$ (4,498)