Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Dec. 31, 2024

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Changes in AOCI by Component

The changes in AOCI by component, net of tax, for the three-month periods ended December 31, 2024 and 2023 were as follows:

	Post-retirement benefit plans			Currency translation adjustment		Cash Flow Hedges			Total
Attributable to Matthews:
Balance, September 30, 2024	$	4,955		$	(174,623)	$	926		$	(168,742)
OCI before reclassification	(181)			(21,187)		2,565			(18,803)
Amounts reclassified from AOCI	(172)		(a)	6,576		(350)		(b)	6,054
Net current-period OCI	(353)			(14,611)		2,215			(12,749)
Balance, December 31, 2024	$	4,602		$	(189,234)	$	3,141		$	(181,491)
Attributable to noncontrolling interest:
Balance, September 30, 2024	$	—		$	289	$	—		$	289
OCI before reclassification	—			—		—			—
Net current-period OCI	—			—		—			—
Balance, December 31, 2024	$	—		$	289	$	—		$	289

	Post-retirement benefit plans			Currency translation adjustment		Cash Flow Hedges			Total
Attributable to Matthews:
Balance, September 30, 2023	$	6,760		$	(190,196)	$	9,032		$	(174,404)
OCI before reclassification	131			11,881		(4,389)			7,623
Amounts reclassified from AOCI	(211)		(a)	(196)		(492)		(b)	(899)
Net current-period OCI	(80)			11,685		(4,881)			6,724
Balance, December 31, 2023	$	6,680		$	(178,511)	$	4,151		$	(167,680)
Attributable to noncontrolling interest:
Balance, September 30, 2023	$	—		$	266	$	—		$	266
OCI before reclassification	—			22		—			22
Net current-period OCI	—			22		—			22
Balance, December 31, 2023	$	—		$	288	$	—		$	288

(a) Amounts were included in net periodic benefit cost for pension and other postretirement benefit plans.

(b) Amounts were included in interest expense in the periods the hedged item affected earnings (see Note 8).

Schedule of Reclassifications out of AOCI

Reclassifications out of AOCI for the three-month periods ended December 31, 2024 and 2023 were as follows:

	Amount reclassified from AOCI
Details about AOCI Components	Three Months Ended December 31, 2024		Three Months Ended December 31, 2023		Affected line item in the Financial Statements
Postretirement benefit plans
Prior service credit (a)	$	91	$	91
Actuarial losses	139		191		Other income (deductions), net
	230		282		Income before income tax (b)
	(58)		(71)		Income taxes
	$	172	$	211	Net income
Derivatives
Cash flow hedges	$	468	$	659	Interest expense
Net investment hedges	354		259		Interest expense
	822		918		Income before income tax (b)
	(204)		(230)		Income taxes
	$	618	$	688	Net income
Other
Divestitures	$	(6,844)	$	—	Other current liabilities (c)

(a) Prior service cost amounts are included in the computation of pension and other postretirement benefit expense, which is reported in cost of goods sold and selling and administrative expenses.

(b) For pre-tax items, positive amounts represent income and negative amounts represent expense.

(c) Reflects the release of a reserve that was established for currency translation amounts related to certain net assets classified as held-for-sale as of September 30, 2024. See Note 14, "Acquisitions and Divestitures."