Balance Sheet Details (Tables)

3 Months Ended

Dec. 31, 2016

Balance Sheet Details

Schedule of components of accounts receivable

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

	December 31,		September 30,
	2016		2016
Trade and other receivables	$	12,494	$	15,488
Long-term contracts:
Billed		115,004		146,619
Unbilled		236,558		241,726
Allowance for doubtful accounts		(320)		(326)
Total accounts receivable		363,736		403,507
Less estimated amounts not currently due		(21,130)		(20,926)
Current accounts receivable	$	342,606	$	382,581

Components of inventories

Inventories consist of the following (in thousands):

	December 31,		September 30,
	2016		2016
Finished products	$	9,930	$	10,018
Work in process and inventoried costs under long-term contracts		90,421		62,570
Materials and purchased parts		10,800		12,102
Customer advances		(12,441)		(18,328)
Net inventories	$	98,710	$	66,362