REPORTABLE SEGMENTS - Disaggregation of revenue by segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Revenue	$ 2,848,488	$ 2,270,626	$ 2,066,546
Consumer and Professional Products
Segment Reporting Information [Line Items]
Revenue	1,341,606	1,229,518	1,139,233
Home and Building Products
Segment Reporting Information [Line Items]
Revenue	$ 1,506,882	$ 1,041,108	$ 927,313