DISCONTINUED OPERATIONS (Details) - Summary of Discontinued Operations - USD ($) $ in Thousands	Jun. 30, 2018	Sep. 30, 2017
Assets of discontinued operations not held for sale:
Prepaid and other current assets	$ 326	$ 329
Liabilities of discontinued operations not held for sale:
Accrued liabilities, current	25,795	8,342
Installation Services [Member]
Assets of discontinued operations not held for sale:
Prepaid and other current assets	326	329
Other long-term assets	2,930	2,960
Total assets of discontinued operations not held for sale	3,256	3,289
Liabilities of discontinued operations not held for sale:
Accrued liabilities, current	3,705	8,342
Other long-term liabilities	5,078	3,037
Total liabilities of discontinued operations not held for sale	$ 8,783	$ 11,379