GOODWILL AND OTHER INTANGIBLES - Summary of Changes in Carrying Value of Goodwill (Details) $ in Thousands	9 Months Ended
Jun. 30, 2022 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 426,148
Hunter Acquisition	281,668
Foreign currency translations adjustments	(2,460)
Goodwill, ending balance	705,356
Consumer and Professional Products
Goodwill [Roll Forward]
Goodwill, beginning balance	234,895
Hunter Acquisition	281,668
Foreign currency translations adjustments	(2,460)
Goodwill, ending balance	514,103
Home and Building Products
Goodwill [Roll Forward]
Goodwill, beginning balance	191,253
Hunter Acquisition	0
Foreign currency translations adjustments	0
Goodwill, ending balance	$ 191,253

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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