CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 12,271	$ 23,594
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	6,437	6,092
Amortization	208	216
Pension and post-retirement expense - U.S. and U.K.	8,067	7,848
Stock compensation expense	712	1,042
Excess tax benefit from option exercises and restricted stock vesting	(494)	(1,122)
Deferred revenue	(1,250)	(1,250)
Deferred income taxes	656	1,449
Loss on disposal of property	135	65
Change in assets and liabilities:
Accounts receivable	12,917	(4,612)
Inventories	(1,669)	(23,200)
Other assets	(827)	(298)
Accounts payable and accrued expenses	19	1,602
Income taxes	1,966	5,772
Accrued pension and postretirement benefits	(10,090)	(10,565)
Net cash provided by operating activities	29,058	6,633
Cash flows from investing activities:
Additions to property, plant and equipment	(22,731)	(12,690)
Net cash used in investing activities	(22,731)	(12,690)
Cash flows from financing activities:
Dividends paid	(5,423)	(5,397)
Proceeds from exercise of stock options	598	1,599
Payment for purchase of treasury stock	(505)
Excess tax benefit from option exercises and restricted stock vesting	494	1,122
Net cash used in financing activities	(4,836)	(2,676)
Effect of exchange rates on cash	(220)	60
Increase (decrease) in cash and cash equivalents	1,271	(8,673)
Cash and cash equivalents, beginning of period	46,740	60,062
Cash and cash equivalents, end of period	48,011	51,389
Cash paid during period for:
Interest (net of capitalized interest)	1	18
Income taxes paid (net of refunds)	2,904	5,188
Capital expenditures incurred but not yet paid	$ 3,390	$ 224