Annual report [Section 13 and 15(d), not S-K Item 405]

SHARE-BASED PAYMENTS - Narrative (Details)

v3.25.3
SHARE-BASED PAYMENTS - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Nov. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation cost   $ 23,065 $ 18,478 $ 17,308
Future income tax benefit from compensation expense recognized   5,387 $ 4,185 $ 3,821
SGK Brand Solutions | Discontinued Operations, Disposed of by Sale        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Accelerated cost   $ 3,470    
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period (in shares)   671,200    
Percent of shares vested on time   40.00%    
Vesting percentage   100.00%    
Unrecognized compensation cost on unvested awards   $ 13,945    
Weighted average period of recognition of unrecognized compensation cost on non-vested awards   1 year 8 months 12 days    
Unvested shares (in shares)   1,648,145 1,707,349  
Equity Incentive Plan 2017 | Share-Based Payment Arrangement        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Term of plan (in years)   10 years    
Amended 2017 Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares reserved for future issuance under award plan (in shares)   4,950,000    
Shares issued (in shares)   1,896,757    
Grants in period (in shares)   75,000    
Share-based awards outstanding (in shares)   1,648,145    
Percentage of outstanding stock, maximum   200.00%    
Amended 2017 Plan | Time-Based Restricted Share Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period (in shares)   1,518,963    
Amended 2017 Plan | Performance-Based Restricted Share Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period (in shares)   1,963,334    
Director Fee Plans        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares deferred under stock based compensation plan (in shares)   57,179    
Value of annual stock-based grant   $ 140    
Director Fee Plans | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period (in shares)   439,740    
2014 Director Fee Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Annual retainer fee paid to non-employee directors   $ 90    
Annual retainer fee paid to non-employee chairman of the board   $ 210    
2019 Director Fee Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares reserved for future issuance under award plan (in shares)   300,000    
2019 Director Fee Plan | Subsequent Event        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period (in shares) 550,000      
2019 Director Fee Plan | Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period (in shares)   266,511    
Unvested shares (in shares)   98,945