Balance Sheet Details (Tables)

3 Months Ended

Dec. 31, 2018

Balance Sheet Details

Schedule of components of accounts receivable

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

	December 31,		September 30,
	2018		2018
Accounts receivable
Billed	$	119,943	$	156,948
Unbilled		—		242,877
Allowance for doubtful accounts		(1,652)		(1,324)
Total accounts receivable		118,291		398,501
Less estimated amounts not currently due		—		(6,134)
Current accounts receivable	$	118,291	$	392,367

Components of inventories

Inventories consist of the following (in thousands):

	December 31,		September 30,
	2018		2018
Finished products	$	7,716	$	7,099
Work in process and inventoried costs under long-term contracts		49,295		63,169
Materials and purchased parts		35,190		23,710
Customer advances		—		(9,779)
Net inventories	$	92,201	$	84,199