Quarterly report [Sections 13 or 15(d)]

Segment Information - Information about the Company's Segments (Details)

v3.25.4
Segment Information - Information about the Company's Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2025
Segment Reporting Information [Line Items]      
Sales $ 284,763 $ 401,842  
Prior service credit (185,090) (276,150)  
Gross profit 99,673 125,692  
Selling Expense (31,108) (34,857)  
Depreciation and amortization 12,696 22,504  
Total assets 1,552,866   $ 1,694,442
Memorialization      
Segment Reporting Information [Line Items]      
Sales 204,175 190,486  
Industrial Technologies      
Segment Reporting Information [Line Items]      
Sales 69,015 80,533  
SGK Brand Solutions      
Segment Reporting Information [Line Items]      
Sales 11,573 130,823  
Operating Segments | Memorialization      
Segment Reporting Information [Line Items]      
Sales 204,175 190,486  
Prior service credit (114,026) (108,893)  
Gross profit 90,149 81,593  
Selling Expense (23,309) (18,967)  
Administrative expense (27,891) (26,014)  
Other segment items 0    
Adjusted EBITDA 38,949 36,612  
Depreciation and amortization 8,147 7,202  
Total assets 902,399 810,454  
Capital expenditures 4,530 4,490  
Operating Segments | Industrial Technologies      
Segment Reporting Information [Line Items]      
Sales 69,015 80,533  
Prior service credit (54,057) (57,851)  
Gross profit 14,958 22,682  
Selling Expense (7,433) (7,480)  
Administrative expense (11,983) (13,370)  
Other segment items 0    
Adjusted EBITDA (4,458) 1,832  
Depreciation and amortization 3,478 5,674  
Total assets 323,013 453,697  
Capital expenditures 295 1,382  
Operating Segments | SGK Brand Solutions      
Segment Reporting Information [Line Items]      
Sales 11,573 130,823  
Prior service credit (9,468) (97,892)  
Gross profit 2,105 32,931  
Selling Expense (141) (7,837)  
Administrative expense (4,473) (12,802)  
Other segment items 15,203    
Adjusted EBITDA 12,694 12,292  
Depreciation and amortization 609 8,860  
Total assets 304,459 493,214  
Capital expenditures 187 3,644  
Operating Segments | Reportable Segments Total      
Segment Reporting Information [Line Items]      
Sales 284,763 401,842  
Prior service credit (177,551) (264,636)  
Gross profit 107,212 137,206  
Selling Expense (30,883) (34,284)  
Administrative expense (44,347) (52,186)  
Other segment items 15,203    
Adjusted EBITDA 47,185 50,736  
Depreciation and amortization 12,234 21,736  
Total assets 1,529,871 1,757,365  
Capital expenditures 5,012 9,516  
Intersegment Sales | Memorialization      
Segment Reporting Information [Line Items]      
Sales 0 0  
Intersegment Sales | Industrial Technologies      
Segment Reporting Information [Line Items]      
Sales (974) (310)  
Intersegment Sales | SGK Brand Solutions      
Segment Reporting Information [Line Items]      
Sales (3) (283)  
Intersegment Sales | Reportable Segments Total      
Segment Reporting Information [Line Items]      
Sales $ (977) $ (593)