INVENTORIES (Details) (USD $)	Sep. 30, 2011	Sep. 30, 2010
INVENTORIES
Work in process and inventoried costs under long-term contracts	$ 70,225,000	$ 71,696,000
Customer advances	(34,582,000)	(41,575,000)
Materials and purchased parts	1,086,000	2,699,000
Total Inventories	36,729,000	32,820,000
Costs incurred outside the scope of work or in advance of a contract award	1,200,000	100,000
General and administrative amounts for certain government contracts remaining in inventory	$ 6,200,000	$ 4,200,000