DISCONTINUED OPERATIONS - Balance Sheets Information of Installation Services and Other Discontinued Activities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022
Assets of discontinued operations:
Other long-term assets	$ 4,571	$ 4,586
Discontinued Operations
Assets of discontinued operations:
Prepaid and other current assets	1,122	1,189
Other long-term assets	4,571	4,586
Total assets of discontinued operations	5,693	5,775
Liabilities of discontinued operations:
Accrued liabilities, current	8,141	12,656
Other long-term liabilities	4,209	4,262
Total liabilities of discontinued operations	$ 12,350	$ 16,918