ACCOUNTS RECEIVABLE - Schedule of Rollforward of Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance. accounts receivable, allowance for credit loss, current	$ 12,845	$ 11,713	$ 10,815	$ 10,122	$ 10,245	$ 9,328
Provision for expected losses	1,085	1,266	958	296	91	1,044
Write-offs	(735)	(134)	(60)	0	(214)	(127)
Ending balance. accounts receivable, allowance for credit loss, current	$ 13,195	$ 12,845	$ 11,713	$ 10,418	$ 10,122	$ 10,245