Matthews International Corporation Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Debt and Financing Arrangements - Narrative (Details)

Debt and Financing Arrangements - Narrative (Details) € in Thousands			3 Months Ended
	Jan. 22, 2026 USD ($)	Mar. 11, 2025 shares	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($) shares	Dec. 31, 2024 USD ($)	Dec. 31, 2025 EUR (€) shares	Sep. 30, 2025 USD ($)	Sep. 30, 2025 EUR (€)
Line of Credit Facility [Line Items]
Accounts payable, trade				$ 5,792,000			$ 6,136,000
Other borrowings				$ 537,027,000			710,832,000
Common Class A
Line of Credit Facility [Line Items]
Shares issued with shelf registration (in shares) \| shares		1,250,000
Common Class A \| ATM Program
Line of Credit Facility [Line Items]
Shares issued with shelf registration (in shares) \| shares		3,000,000
Shares remaining for sale \| shares				1,250,000		1,250,000
2027 Senior Secured Notes
Line of Credit Facility [Line Items]
Debt issuance costs, gross				$ 3,404,000			3,890,000
Other borrowings				$ 296,596,000			296,110,000
2027 Senior Secured Notes \| Forecast
Line of Credit Facility [Line Items]
Debt extinguishment charges			$ 16,343,000
2027 Senior Secured Notes \| Subsequent Event
Line of Credit Facility [Line Items]
Redemption price, percentage	104.313%
Repayments of senior notes	$ 320,917,000
Other borrowings
Line of Credit Facility [Line Items]
Weighted-average interest rate on outstanding borrowings (as a percent)				1.33%	2.33%	1.33%
Other borrowings				$ 5,385,000			7,151,000
Senior Notes 2027 \| 2027 Senior Notes
Line of Credit Facility [Line Items]
Debt issued amount				$ 300,000,000
Fixed interest rate (as a percent)				8.625%		8.625%
Receivables Purchase Agreement
Line of Credit Facility [Line Items]
Facility limit				$ 75,000,000
Receivables sold to purchasers				51,000,000			65,600,000
Unsold receivables				73,011,000			63,720,000
Principal amount of receivables sold					$ 21,449,000
Revolving credit facilities \| March 2020 Debt Amendment
Line of Credit Facility [Line Items]
Maximum amount of borrowings available				700,000,000
Maximum borrowing amount drawn In foreign currency				$ 350,000,000
Rate spread adjustment (as a percent)				0.10%
Interest rate during period (as a percent)				1.25%
Unamortized debt costs				$ 3,618,000			3,918,000
Revolving credit facilities \| March 2020 Debt Amendment \| Minimum
Line of Credit Facility [Line Items]
Interest rate on borrowings (as a percent)				1.00%
Line of credit facility, unused capacity, commitment fee percentage				0.15%
Revolving credit facilities \| March 2020 Debt Amendment \| Maximum
Line of Credit Facility [Line Items]
Interest rate on borrowings (as a percent)				2.00%
Line of credit facility, unused capacity, commitment fee percentage				0.30%
Domestic Revolving Credit Facility \| March 2020 Debt Amendment
Line of Credit Facility [Line Items]
Maximum available for issuance of trade and standby letters of credit				$ 55,000,000
Outstanding borrowings				$ 213,986,000			384,233,000
Weighted-average interest rate on outstanding borrowings (as a percent)				3.68%	5.17%	3.68%
Foreign Line of Credit \| Credit Facility With European Bank
Line of Credit Facility [Line Items]
Maximum amount of borrowings available				$ 7,045,000		€ 6,000
Outstanding borrowings				$ 101,000		€ 86	$ 774,000	€ 659
Weighted-average interest rate on outstanding borrowings (as a percent)				4.93%	5.10%	4.93%
Foreign Line of Credit \| Bank Guarantees \| Credit Facility With European Bank
Line of Credit Facility [Line Items]
Maximum amount of borrowings available				$ 16,437,000		€ 14,000