Accounts Receivable (Tables)

12 Months Ended

Sep. 30, 2018

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Accounts receivable, net of the allowance for doubtful accounts, consist of the following at September 30, 2018 and 2017:

(Dollars in thousands)	2018		2017
Commercial	$	146,049		152,265
U.S. Government and prime contractors		17,691		8,315
Total	$	163,740		160,580