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Debt - Narrative (Details) £ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Jun. 30, 2017 EUR (€) | Nov. 30, 2016 EUR (€) | Sep. 30, 2016 EUR (€) | Jun. 30, 2016 USD ($) | Sep. 30, 2014 GBP (£)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Other debt | $ 3,829,000 | $ 3,829,000 |  |  |  |  | $ 4,579,000 |
Other current assets | $ 70,705,000 | $ 70,705,000 | $ 61,086,000 |  |  |  |  |
Matthews Europe GmbH & Co. KG | Senior Notes |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Weighted-average interest rate on outstanding borrowings (as a percent) | 1.40% | 1.40% |  | 1.40% |  |  |  |
Debt issued amount | $ 17,134,000 | $ 17,134,000 |  |  | € 15,000,000 |  |  |
Portion of debt subject to fixed interest rate | € |  |  |  |  | € 5,000,000 |  |  |
Fixed interest rate (as a percent) |  |  |  |  | 1.40% |  |  |
Matthews International S.p.A |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Weighted-average interest rate on outstanding borrowings (as a percent) | 2.55% | 2.55% |  | 2.55% |  |  | 3.44% |
Designated as Hedging Instrument |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Unrealized gain (loss) on fair value of interest rate swaps, before tax |  | $ 3,552,000 | (5,834,000) |  |  |  |  |
Unrealized gain (loss) on fair value of interest rate swaps, after tax |  | 2,167,000 | (3,559,000) |  |  |  |  |
Unrealized gain (loss) expected to be recognized over the next 12 months | $ 564,000 | $ 564,000 |  |  |  |  |  |
LIBOR | Matthews Europe GmbH & Co. KG | Senior Notes |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate on borrowings, based on leverage ratio (as a percent) |  | 1.40% |  |  |  |  |  |
Securitization Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum amount of borrowings available | 115,000,000.0 | $ 115,000,000.0 |  |  |  |  |  |
Outstanding borrowings | $ 102,900,000 | $ 102,900,000 |  |  |  |  |  |
Facility term | 2 years |  |  |  |  |  |  |
Interest rate on facility (as a percent) | 1.97% | 1.97% |  | 1.97% |  |  |  |
Securitization Facility | Minimum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Commitment fee (as a percent) | 0.25% |  |  |  |  |  |  |
Securitization Facility | Maximum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Commitment fee (as a percent) | 0.35% |  |  |  |  |  |  |
Securitization Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate on borrowings, based on leverage ratio (as a percent) | 0.75% |  |  |  |  |  |  |
Other Debt |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Weighted-average interest rate on outstanding borrowings (as a percent) | 2.25% | 2.25% |  | 2.25% |  |  | 5.71% |
Revolving Credit Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate during period (as a percent) |  | 1.75% |  |  |  |  |  |
Revolving Credit Facility | LIBOR | Minimum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate on borrowings, based on leverage ratio (as a percent) |  | 0.75% |  |  |  |  |  |
Revolving Credit Facility | LIBOR | Maximum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate on borrowings, based on leverage ratio (as a percent) |  | 2.00% |  |  |  |  |  |
Revolving Credit Facility | April 2016 Debt Amendment |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum amount of borrowings available | $ 900,000,000 | $ 900,000,000 |  |  |  |  |  |
Maturity date |  | Apr. 26, 2021 |  |  |  |  |  |
Revolving Credit Facility | April 2016 Debt Amendment | Minimum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Annual commitment fee range on unused portion (as a percent) |  | 0.15% |  |  |  |  |  |
Revolving Credit Facility | April 2016 Debt Amendment | Maximum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Annual commitment fee range on unused portion (as a percent) |  | 0.25% |  |  |  |  |  |
Term Loan | April 2016 Debt Amendment |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum amount of borrowings available | $ 250,000,000 | $ 250,000,000 |  |  |  |  |  |
Long term debt outstanding principal payment in year 1 (as a percent) | 5.00% | 5.00% |  | 5.00% |  |  |  |
Long term debt outstanding principal payment in year 2 (as a percent) | 7.50% | 7.50% |  | 7.50% |  |  |  |
Long term debt outstanding principal payment in year 3 (as a percent) | 10.00% | 10.00% |  | 10.00% |  |  |  |
Long term debt outstanding principal payment in year 4 (as a percent) | 10.00% | 10.00% |  | 10.00% |  |  |  |
Long term debt outstanding principal payment in year 5 (as a percent) | 10.00% | 10.00% |  | 10.00% |  |  |  |
Outstanding borrowings | $ 237,144,000 | $ 237,144,000 | 246,449,000 |  |  |  |  |
Term Loan | April 2016 Debt Amendment | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate during period (as a percent) |  | 1.75% |  |  |  |  |  |
Term Loan | April 2016 Debt Amendment | LIBOR | Minimum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate on borrowings, based on leverage ratio (as a percent) |  | 0.75% |  |  |  |  |  |
Term Loan | April 2016 Debt Amendment | LIBOR | Maximum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Interest rate on borrowings, based on leverage ratio (as a percent) |  | 2.00% |  |  |  |  |  |
Domestic Revolving Credit Facility | April 2016 Debt Amendment |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum available for issuance of trade and standby letters of credit | 35,000,000 | $ 35,000,000 |  |  |  |  |  |
Outstanding borrowings | $ 545,000,000 | $ 545,000,000 | 608,000,000 |  |  |  |  |
Weighted-average interest rate on outstanding borrowings (as a percent) | 2.89% | 2.89% |  | 2.89% |  |  | 2.55% |
Credit Facility With European Bank |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum amount of borrowings available | $ 39,979,000 | $ 39,979,000 |  | € 35,000,000.0 |  |  |  |
Outstanding borrowings | $ 21,292,000 | $ 21,292,000 |  | € 18,600,000 |  | € 0 |  |
Weighted-average interest rate on outstanding borrowings (as a percent) | 1.75% | 1.75% |  | 1.75% |  |  | 1.75% |
Lines of Credit with Italian Banks | Matthews International S.p.A |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Maximum amount of borrowings available | $ 12,942,000 | $ 12,942,000 |  | € 11,300,000.0 |  |  |  |
Outstanding borrowings | 5,929,000 | 5,929,000 | 5,801,000 | 5,200,000 |  | 5,200,000 |  |
Long-term Debt | 3,193,000 | 3,193,000 | $ 3,538,000 | € 2,800,000 |  | € 3,200,000 |  |
Letter of Credit |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Other current assets | $ 11,142,000 | $ 11,142,000 |  |  |  |  |  | £ 8,570

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- Definition Amount of after tax unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer. + References No definition available. + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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