CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (2,068)	$ (1,890)	$ (24,594)	$ (2,562)
Other comprehensive income (loss), net of tax:
Pension and postretirement	1,311	2,579	2,616	5,159
Foreign currency translation adjustment	2,316	835	2,833	(2,191)
Other comprehensive income (loss)	3,627	3,414	5,449	2,968
Comprehensive income (loss)	$ 1,559	$ 1,524	$ (19,145)	$ 406