INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 9,669	$ 6,339
Income before taxes	39,169	16,951
Restructuring charges	10,800	6,434
Restructuring charges, net of tax	8,300	4,148
Effective Income tax rate reconciliation, disposition of business	(6,240)
Effective Income tax rate reconciliation, disposition of business, net of tax	(6,017)
Other tax expense (benefit) that affect comparability	$ (2,028)	$ 833
Effective tax rate	32.00%	33.30%