OTHER COMPREHENSIVE INCOME (LOSS) - Amounts Reclassified from AOCI (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2023	Mar. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income (loss) before taxes from continuing operations	$ (90,159)		$ 82,798		$ (22,139)	$ 106,715
Tax benefit (expense)	27,904		(24,638)		8,586	(31,851)
Net income (loss)	(62,255)	$ 48,702	65,689	$ 19,298	(13,553)	84,987
Accumulated other comprehensive income (loss), attributable to parent | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income (loss) before taxes from continuing operations	(936)		539		(876)	1,227
Tax benefit (expense)	197		(113)		184	(257)
Net income (loss)	(739)		426		(692)	970
Pension and other defined benefit plans | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income (loss) before taxes from continuing operations	(945)		(845)		(1,889)	(1,690)
Cash flow hedges | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income (loss) before taxes from continuing operations	$ 9		$ 1,384		$ 1,013	$ 2,917