Accounts Receivable (Tables)

12 Months Ended

Sep. 30, 2018

Accounts Receivable

Schedule of components of accounts receivable

The components of accounts receivable under long-term contracts are as follows (in thousands):

September 30,	2018		2017
U.S. Government Contracts:
Amounts billed	$	80,547	$	53,450
Recoverable costs and accrued profits on progress completed--not billed		62,665		36,341
		143,212		89,791
Commercial Customers:
Amounts billed		76,401		131,532
Recoverable costs and accrued profits on progress completed--not billed		180,212		150,610
		256,613		282,142
		399,825		371,933
Less unbilled amounts not currently due--commercial customers		(6,134)		(17,457)
	$	393,691	$	354,476