CREDIT LOSSES (Details) $ in Thousands	6 Months Ended
	Mar. 31, 2021 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance, October 1, 2020	$ 8,505
Provision for expected credit losses	1,228
Amounts written off charged against the allowance	(161)
Other, primarily foreign currency translation	22
Ending Balance, March 31, 2021	$ 9,594