INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Tax Disclosure [Abstract]
Income tax expense	$ 72,362	$ 28,991	$ 92,861	$ 92,100
Effective tax rate (as a percent)	48.10%	(21.80%)	459.10%	(764.90%)
Federal statutory income tax rate (as percent)	21.00%	21.00%	21.00%	21.00%
Unrecognized tax benefits	$ 19,300		$ 19,300

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details