Balance Sheet Details (Tables)

9 Months Ended

Jun. 30, 2016

Balance Sheet Details

Schedule of components of accounts receivable

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

	June 30,		September 30,
	2016		2015
Trade and other receivables	$	12,286	$	12,812
Long-term contracts:
Billed		139,932		127,462
Unbilled		245,763		255,639
Allowance for doubtful accounts		(179)		(179)
Total accounts receivable		397,802		395,734
Less estimated amounts not currently due		(21,755)		(36,809)
Current accounts receivable	$	376,047	$	358,925

Components of inventories

Inventories consist of the following (in thousands):

	June 30,		September 30,
	2016		2015
Finished products	$	2,228	$	644
Work in process and inventoried costs under long-term contracts		75,886		66,293
Materials and purchased parts		2,962		2,733
Customer advances		(16,273)		(5,970)
Net inventories	$	64,803	$	63,700