Balance Sheet Details (Tables)

6 Months Ended

Mar. 31, 2014

Balance Sheet Details

Schedule of components of accounts receivable

The components of accounts receivable are as follows (in thousands):

	March 31,			September 30,
	2014			2013
				(As Restated)
Trade and other receivables	$	28,277		$	17,352
Long-term contracts:
Billed	138,095			98,983
Unbilled	291,147			282,346
Allowance for doubtful accounts	(483		)	(658		)
Total accounts receivable	457,036			398,023
Less estimated amounts not currently due	(17,410		)	(19,021		)
Current accounts receivable	$	439,626		$	379,002

Components of inventories

Inventories consist of the following (in thousands):

	March 31,			September 30,
	2014			2013
				(As Restated)
Work in process and inventoried costs under long-term contracts	$	89,621		$	80,918
Customer advances	(25,998		)	(21,865		)
Raw material and purchased parts	680			693
Net inventories	$	64,303		$	59,746