FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Fair Values of Interest Rate Derivative Instruments as well as Classification on the Balance Sheet (Detail) - Fair Value, Inputs, Level 2 - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swaps	$ 0	$ 2,558
Other current liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swaps	1,902	0
Other non-current liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate swaps	$ 335	$ 65