Balance Sheet Details (Tables)

9 Months Ended

Jun. 30, 2015

Balance Sheet Details

Schedule of components of accounts receivable

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

	June 30,			September 30,
	2015			2014
Trade and other receivables	$	16,119		$	30,593
Long-term contracts:
Billed	92,436			121,871
Unbilled	294,442			258,074
Allowance for doubtful accounts	(167		)	(489		)
Total accounts receivable	402,830			410,049
Less estimated amounts not currently due	(13,460		)	(15,870		)
Current accounts receivable	$	389,370		$	394,179

Components of inventories

Inventories consist of the following (in thousands):

	June 30,			September 30,
	2015			2014
Work in process and inventoried costs under long-term contracts	$	83,061		$	58,440
Materials and purchased parts	2,367			125
Customer advances	(19,169		)	(19,790		)
Net inventories	$	66,259		$	38,775