CREDIT LOSSES (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, October 1	$ 8,787	$ 8,178
Accounts receivable, net acquired	2,599	0
Provision for expected credit losses	1,889	1,234
Amounts written off charged against the allowance	(10)	(161)
Other, primarily foreign currency translation	235	23
Ending Balance, March 31	$ 13,500	$ 9,274