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INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2025	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 21,875	$ 24,430		$ 48,444	$ 42,395
Income before taxes	78,637	88,573		176,057	148,715
Strategic review - retention and other	1,199	2,676		2,850	7,334
Strategic review cost, net of tax	898	1,997		2,113	5,497
Gain on sale of real estate	183	11		8,157	558
Gain (loss) on sale of buildings, net of tax	136	9		6,079	415
Other tax expense (benefit) that affect comparability	$ 75	(390)		$ (175)	393
Restructuring charges, pre-tax		2,401	$ 12,400		14,801
Restructuring charges, net of tax		$ 1,769			$ 10,982
Effective tax rate	27.70%	27.90%		27.70%	27.90%

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