Related Party Transactions (Tables)

12 Months Ended

Sep. 30, 2016

Related Party Transactions [Abstract]

Schedule Of Related Party Transactions

(Dollars in Thousands)	2016		2015		2014
Sales to Aquila	$	3,388	$	5,844	$	6,271
Purchases from Aquila		559		647		890

(Dollars in Thousands)	2016		2015
Amounts in accounts receivable	$	1,910	$	2,795
Amounts in accounts payable		320		284

(Dollars in Thousands)	2016		2015		2014
Sales to Nagase	$	4,613	$	1,924	$	1,341
Purchases from Nagase		1,013		1,189		1,710

(Dollars in Thousands)	2016		2015
Amounts in accounts receivable	$	288	$	769
Amounts in accounts payable		23		33