CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net income (loss)	$ (23,881)	$ (6,529)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	17,244	15,980
Amortization	395	369
Pension and post-retirement expense - U.S. and U.K.	10,693	17,557
Stock compensation expense	1,920	1,561
Deferred revenue	(1,875)	(6,863)
Deferred income taxes	20,588	(4,098)
Loss on disposition of property	132	452
Change in assets and liabilities:
Restricted cash		5,446
Accounts receivable	(5,591)	675
Inventories	(27,937)	(10,678)
Other assets	40	259
Accounts payable and accrued expenses	9,080	9,257
Income taxes	(6,632)	(3,188)
Accrued pension and postretirement benefits	(7,362)	(8,352)
Net cash provided by (used in) operating activities	(13,186)	11,848
Cash flows from investing activities:
Additions to property, plant and equipment	(9,785)	(14,059)
Net cash provided by (used in) investing activities	(9,785)	(14,059)
Cash flows from financing activities:
Dividends paid	(8,261)	(8,257)
Payment for purchase of treasury stock	(223)	(266)
Payment on long-term obligation	(140)	(111)
Net cash provided by (used in) financing activities	(8,624)	(8,634)
Effect of exchange rates on cash	(154)	25
Increase (decrease) in cash and cash equivalents:	(31,749)	(10,820)
Cash and cash equivalents:
Beginning of period	46,328	59,297
End of period	14,579	48,477
Supplemental disclosures of cash flow information:
Interest (net of capitalized interest)	643	595
Income taxes paid (refunded), net	1,407	3,429
Capital expenditures incurred, but not yet paid	$ 715	$ 789