v3.26.1
REPORTABLE SEGMENTS - Schedule of Disaggregated Revenue by End Market and Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Total $ 481,370 $ 449,692 $ 1,357,490 $ 1,319,829
Home and Building Products        
Disaggregation of Revenue [Line Items]        
Total 481,370 449,692 1,357,490 1,319,829
Residential repair and remodel | Home and Building Products        
Disaggregation of Revenue [Line Items]        
Total 258,960 234,759 723,727 700,320
Commercial | Home and Building Products        
Disaggregation of Revenue [Line Items]        
Total 188,308 180,750 536,714 519,893
Residential new construction | Home and Building Products        
Disaggregation of Revenue [Line Items]        
Total $ 34,102 $ 34,183 $ 97,049 $ 99,616