Detail of Certain Balance Sheet Accounts - CIP (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Contracts in Progress [Abstract]
Costs Incurred Contract In Progress	$ 281,764	$ 362,822
Estimated Earnings on Contracts In Progress	32,088	42,464
Estimated Profit On Contract In Progress	313,852	405,286
Billings To Date	(327,113)	(417,626)
Contracts In Process Net	(13,261)	(12,340)
Costs in Excess of Billings on Uncompleted Contracts or Programs	8,591	8,336
Billings in Excess of Cost	21,852	20,676
Contracts In Process Net (From Balance Sheet)	$ (13,261)	$ (12,340)