DISCONTINUED OPERATIONS - Balance sheets information of discontinued operations (Details) - Discontinued Operations, Held-for-sale - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
CURRENT ASSETS
Total assets of discontinued operations	$ 0	$ 275,814
Defense Electronics
CURRENT ASSETS
Accounts receivable, net		42,020
Contract assets, net of progress payments		72,983
Inventories		83,970
Prepaid and other current assets		4,409
PROPERTY, PLANT AND EQUIPMENT, net		45,371
OPERATING LEASE RIGHT-OF-USE ASSETS		1,167
GOODWILL		17,734
INTANGIBLE ASSETS, net		131
OTHER ASSETS		5,629
Total assets of discontinued operations		273,414
CURRENT LIABILITIES
Accounts payable		60,486
Accrued liabilities		15,153
Current portion of operating lease liabilities		287
LONG-TERM OPERATING LEASE LIABILITIES		867
OTHER LIABILITIES		3,955
Total liabilities of discontinued operations		$ 80,748