WARRANTY LIABILITY - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2024	Sep. 30, 2023
Product Warranty Liability [Line Items]
Warranty liability, current	$ 14,903	$ 20,781
Long-term warranty liability	$ 1,239	$ 1,239
Home and Building Products | Minimum
Product Warranty Liability [Line Items]
Product warranty period	1 year
Home and Building Products | Maximum
Product Warranty Liability [Line Items]
Product warranty period	10 years
CPP
Product Warranty Liability [Line Items]
Product warranty period	90 days