CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 21,577	$ 50,182	$ 31,128
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	13,744	12,520	11,528
Amortization	416	423	561
Pension and post-retirement expense - U.S. and U.K.	16,173	15,590	11,936
Change in long-term obligations	(153)	(245)
Stock compensation expense	1,254	2,079	1,752
Excess tax benefit from option exercises	(494)	(1,147)	(166)
Deferred revenue	(2,500)	(2,500)	(2,500)
Deferred income taxes	6,171	5,658	9,044
Loss on disposition of property	418	203	145
Change in assets and liabilities:
Accounts receivable	18,630	(12,700)	(24,806)
Inventories	31,507	(12,326)	(17,859)
Other assets	(1,324)	1,309	805
Accounts payable and accrued expenses	(12,165)	(17,242)	17,966
Income taxes	341	(5)	(1,540)
Accrued pension and postretirement benefits	(20,191)	(21,018)	(18,390)
Net cash provided by operating activities	73,404	20,781	19,604
Cash flows from investing activities:
Additions to property, plant and equipment	(41,550)	(25,937)	(14,445)
Change in restricted cash			110
Net cash used in investing activities	(41,550)	(25,937)	(14,335)
Cash flows from financing activities:
Dividends paid	(10,849)	(10,803)	(9,758)
Proceeds from exercise of stock options	598	1,635	706
Payment for purchase of treasury stock	(505)
Excess tax benefit from option exercises	494	1,147	166
Payment for debt issuance cost			(330)
Payments on long-term obligations	(100)	(123)	(85)
Net cash used in financing activities	(10,362)	(8,144)	(9,301)
Effect of exchange rates on cash	94	(22)	126
Increase (decrease) in cash and cash equivalents:	21,586	(13,322)	(3,906)
Cash and cash equivalents:
Beginning of period	46,740	60,062	63,968
End of period	68,326	46,740	60,062
Cash paid during period for:
Interest (net of capitalized interest)	7	22	33
Income taxes paid, net	3,578	21,341	10,736
Capital expenditures incurred but not yet paid	$ 2,890	$ 2,360	$ 1,539