INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Provision (benefit) for income taxes	$ 29,248	$ 23,268	$ 20,662	$ 55,119
Income before taxes from continuing operations	78,453	76,050	56,314	182,765
Effective income tax rate reconciliation, adjustments related to strategic review cost, amount	5,812	3,220	20,234	3,220
Effective income tax rate reconciliation, adjustments related to strategic review cost, net of tax	4,378	2,416	15,258	2,416
Restructuring charges	3,862	5,909	82,196	12,391
Restructuring charges, net of tax	2,831	4,359	61,360	9,185
Effective income tax rate reconciliation, special dividend ESOP charges	9,042		9,042
Effective income tax rate reconciliation, special dividend ESOP charges, net of tax	6,936		6,936
Effective income tax rate reconciliation, acquired inventory sold		2,700		5,401
Effective income tax rate reconciliation, acquired inventory sold, net of tax		2,005		4,012
Effective income tax rate reconciliation, proxy contest cost	568		2,685	6,952
Effective income tax rate reconciliation, proxy contest cost, net of tax	435		2,059	5,359
Other tax expense (benefit) that affect comparability	$ 6,519	913	$ (2,537)	(661)
Effective income tax rate reconciliation, debt extinguishment loss		5,287		5,287
Effective income tax rate reconciliation, debt extinguishment loss, net of tax		$ 4,022		$ 4,022
Effective tax rate	28.10%	28.60%	28.90%	28.90%
Effective income tax rate reconciliation, tax expense (benefit), disposition of assets			$ (10,852)
Effective income tax rate reconciliation, tax expense (benefit), disposition of assets, net of tax			(8,323)
Effective income tax rate reconciliation, impairment losses			100,000
Effective income tax rate reconciliation, impairment losses, net of tax			$ 74,256
Effective income tax rate reconciliation, acquisition cost				$ 9,303
Effective income tax rate reconciliation, acquisition cost, net of tax				$ 8,149