Quarterly report [Sections 13 or 15(d)]

Accumulated Other Comprehensive Income - Changes in AOCI by Component (Details)

v3.26.1
Accumulated Other Comprehensive Income - Changes in AOCI by Component (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Attributable to Matthews:        
Beginning balance $ 543,216 $ 413,456 $ 480,942 $ 437,206
OCI, net of tax (5,042) 6,317 22,764 (6,432)
Ending balance 512,219 408,240 512,219 408,240
AOCI Attributable to Parent        
Attributable to Matthews:        
Beginning balance (50,204) (181,491) (78,010) (168,742)
OCI before reclassification (5,335) 6,902 5,253 (11,902)
Amounts reclassified from AOCI 293 (585) 17,511 5,470
OCI, net of tax (5,042) 6,317 22,764 (6,432)
Ending balance (55,246) (175,174) (55,246) (175,174)
Post-retirement benefit plans        
Attributable to Matthews:        
Beginning balance 6,203 4,602 7,540 4,955
OCI before reclassification (95) 100 (80) (82)
Amounts reclassified from AOCI (163) (169) (1,515) (340)
OCI, net of tax (258) (69) (1,595) (422)
Ending balance 5,945 4,533 5,945 4,533
Currency translation adjustment        
Attributable to Matthews:        
Beginning balance (55,658) (189,234) (84,997) (174,623)
OCI before reclassification (6,108) 8,580 4,512 (12,607)
Amounts reclassified from AOCI 439 (228) 19,158 6,348
OCI, net of tax (5,669) 8,352 23,670 (6,259)
Ending balance (61,327) (180,882) (61,327) (180,882)
Cash Flow Hedges        
Attributable to Matthews:        
Beginning balance (749) 3,141 (553) 926
OCI before reclassification 868 (1,778) 821 787
Amounts reclassified from AOCI 17 (188) (132) (538)
OCI, net of tax 885 (1,966) 689 249
Ending balance $ 136 1,175 $ 136 1,175
AOCI Attributable to Noncontrolling Interest        
Attributable to Matthews:        
Beginning balance   289   289
OCI before reclassification   0   0
OCI, net of tax   0   0
Ending balance   289   289
Post-retirement benefit plans        
Attributable to Matthews:        
Beginning balance   0   0
OCI before reclassification   0   0
OCI, net of tax   0   0
Ending balance   0   0
Currency translation adjustment        
Attributable to Matthews:        
Beginning balance   289   289
OCI before reclassification   0   0
OCI, net of tax   0   0
Ending balance   289   289
Cash Flow Hedges        
Attributable to Matthews:        
Beginning balance   0   0
OCI before reclassification   0   0
OCI, net of tax   0   0
Ending balance   $ 0   $ 0