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REPORTABLE SEGMENTS - Schedule of Reconciliation of Segment Profit before Taxes and Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 2,519,926 | $ 2,623,520 | $ 2,685,183
Goodwill and intangible asset impairments | (243,612) | 0 | (109,200)
Gain (loss) on sale of real estate | 8,279 | (61) | 12,655
Debt extinguishment, net | 0 | (1,700) | (437)
Fair value step-up of acquired inventory sold | 0 | (491) | 0
Special dividend ESOP charges |  |  | (15,494)
Income before taxes | 127,371 | 296,650 | 112,682
Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,584,182 | 1,588,625 | 1,588,505
Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 935,744 | 1,034,895 | 1,096,678
Operating |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation and amortization | (62,448) | (60,146) | (64,877)
Segment Adjusted EBITDA | 580,121 | 573,633 | 561,219
Operating | Home and Building Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,584,182 | 1,588,625 | 1,588,505
Adjusted costs of goods and services | (819,944) | (819,784) | (818,020)
Adjusted selling, general and administrative expenses | (287,237) | (282,875) | (274,163)
Depreciation and amortization | (17,592) | (15,349) | (15,066)
Other segment items | (17) | (314) | (512)
Segment Adjusted EBITDA | 494,576 | 501,001 | 510,876
Operating | Consumer and Professional Products |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 935,744 | 1,034,895 | 1,096,678
Adjusted costs of goods and services | (641,977) | (747,504) | (836,314)
Adjusted selling, general and administrative expenses | (258,148) | (262,571) | (263,559)
Depreciation and amortization | (44,856) | (44,797) | (49,811)
Other segment items | 5,070 | 3,015 | 3,727
Segment Adjusted EBITDA | 85,545 | 72,632 | 50,343
Segment Reconciling Items |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation and amortization | (63,014) | (60,704) | (65,445)
Unallocated amounts, excluding depreciation | (57,828) | (60,031) | (55,887)
Net interest expense | (93,857) | (101,652) | (99,351)
Goodwill and intangible asset impairments | (243,612) | 0 | (109,200)
Impact of retirement plan events | 1,165 | 0 | 0
Gain (loss) on sale of real estate | 8,279 | (61) | 12,655
Strategic review - retention and other | (3,883) | (10,594) | (20,225)
Restructuring charges | 0 | (41,309) | (92,468)
Debt extinguishment, net | 0 | (1,700) | (437)
Acquisition costs | 0 | (441) | 0
Fair value step-up of acquired inventory sold | 0 | (491) | 0
Special dividend ESOP charges | 0 | 0 | (15,494)
Proxy expenses | $ 0 | $ 0 | $ (2,685)

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