GOODWILL AND OTHER INTANGIBLES - Summary of Changes in Carrying Value of Goodwill (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 335,790
Hunter Acquisition	(7,926)
Goodwill, ending balance	327,864
Consumer and Professional Products
Goodwill [Roll Forward]
Goodwill, beginning balance	144,537
Hunter Acquisition	(7,926)
Goodwill, ending balance	136,611
Home and Building Products
Goodwill [Roll Forward]
Goodwill, beginning balance	191,253
Hunter Acquisition	0
Goodwill, ending balance	$ 191,253