GOODWILL AND OTHER INTANGIBLES - Narrative (Details) - USD ($)	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Carry amount of intangible assets related to foreign currency translation	$ 800,000
Amortization expense	2,387,000	$ 2,352,000
Estimated amortization expense, remainder of fiscal year	7,348,000
Estimated amortization expense, year one	9,600,000
Estimated amortization expense, year two	9,600,000
Estimated amortization expense, year three	9,600,000
Estimated amortization expense, year four	9,600,000
Estimated amortization expense, year five	9,600,000
Estimated amortization expense, thereafter	64,982,000
Goodwill impairment	0
Indefinite-lived intangible asset (excluding goodwill) impairment	$ 0