CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 1,509	$ (2,068)	$ (94)	$ (24,594)
Other comprehensive income (loss), net of tax:
Pension and postretirement	579	1,311	1,159	2,616
Foreign currency translation adjustment	1,031	2,316	(140)	2,833
Other comprehensive income (loss)	1,610	3,627	1,019	5,449
Comprehensive income (loss)	$ 3,119	$ 1,559	$ 925	$ (19,145)