v3.25.2
Accumulated Other Comprehensive Income - Changes in AOCI by Component (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Attributable to Matthews:        
Beginning balance $ 408,240 $ 509,347 $ 437,206 $ 525,281
Net current-period OCI 97,446 (1,605) 91,014 317
Ending balance 513,832 503,692 513,832 503,692
AOCI Attributable to Parent        
Attributable to Matthews:        
Beginning balance (175,174) (172,504) (168,742) (174,404)
OCI before reclassification 5,277 (655) (6,626) 3,100
Amounts reclassified from AOCI 92,169 (950) 97,640 (2,805)
Net current-period OCI 97,446 (1,605) 91,014 295
Ending balance (77,728) (174,109) (77,728) (174,109)
Post-retirement benefit plans        
Attributable to Matthews:        
Beginning balance 4,533 6,398 4,955 6,760
OCI before reclassification 208 (22) 125 37
Amounts reclassified from AOCI (164) (212) (503) (633)
Net current-period OCI 44 (234) (378) (596)
Ending balance 4,577 6,164 4,577 6,164
Currency translation adjustment        
Attributable to Matthews:        
Beginning balance (180,882) (184,537) (174,623) (190,196)
OCI before reclassification 6,264 (738) (6,343) 5,364
Amounts reclassified from AOCI 92,537 (232) 98,885 (675)
Net current-period OCI 98,801 (970) 92,542 4,689
Ending balance (82,081) (185,507) (82,081) (185,507)
Cash Flow Hedges        
Attributable to Matthews:        
Beginning balance 1,175 5,635 926 9,032
OCI before reclassification (1,195) 105 (408) (2,301)
Amounts reclassified from AOCI (204) (506) (742) (1,497)
Net current-period OCI (1,399) (401) (1,150) (3,798)
Ending balance (224) 5,234 (224) 5,234
AOCI Attributable to Noncontrolling Interest        
Attributable to Matthews:        
Beginning balance 289 288 289 266
OCI before reclassification 0 0 0 22
Net current-period OCI 0 0 0 22
Ending balance 289 288 289 288
Post-retirement benefit plans        
Attributable to Matthews:        
Beginning balance 0 0 0 0
OCI before reclassification 0 0 0 0
Net current-period OCI 0 0 0 0
Ending balance 0 0 0 0
Currency translation adjustment        
Attributable to Matthews:        
Beginning balance 289 288 289 266
OCI before reclassification 0 0 0 22
Net current-period OCI 0 0 0 22
Ending balance 289 288 289 288
Cash Flow Hedges        
Attributable to Matthews:        
Beginning balance 0 0 0 0
OCI before reclassification 0 0 0 0
Net current-period OCI 0 0 0 0
Ending balance $ 0 $ 0 $ 0 $ 0