Condensed Consolidated Statements of Financial Position (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current Assets
Cash	$ 3,296	$ 6,801
Accounts receivable-less allowances of $3,238 and $3,863, respectively	114,786	105,830
Inventories
Finished and in-process products	71,058	67,721
Raw materials and supplies	31,843	27,496
Inventory net	102,901	95,217
Prepaid expenses	7,204	5,415
Deferred income taxes	5,189	5,189
Total Current Assets	233,376	218,452
Other Assets
Goodwill	44,788	44,666
Patents and other intangible assets	16,770	17,267
Other	7,371	7,438
Total other non current assets	68,929	69,371
Property, Plant and Equipment, at Cost
Land	4,501	4,540
Buildings and leasehold improvements	58,220	58,299
Machinery and equipment	414,298	412,704
Property, Plant and Equipment, at cost	477,019	475,543
Less allowances for depreciation and amortization	(341,006)	(334,609)
Property, plant and equipment, net	136,013	140,934
Total Assets	438,318	428,757
Current Liabilities
Accounts payable	58,846	64,717
Accrued expenses
Employee compensation	13,395	20,566
Income taxes	7,561	3,379
Taxes, other than income taxes	2,539	2,729
Accrued interest	830	161
Other	19,531	18,799
Current portion of long-term debt	305	305
Total Current Liabilities	103,007	110,656
Long-term debt, less current portion	79,845	73,725
Other liabilities	14,929	14,343
Deferred income taxes	23,984	23,893
Shareholders' Equity
Serial Preferred Shares (authorized 1,000,000 shares; none issued and outstanding)
Common Shares, without par value (authorized 60,000,000 shares; outstanding 33,460,491 and 33,420,488; net of treasury shares of 4,318,641 and 4,492,169, respectively)	20,336	20,312
Additional paid-in capital	266,090	265,000
Accumulated other comprehensive income	9,311	7,294
Retained deficit	(79,184)	(86,466)
Total Shareholders' Equity	216,553	206,140
Total Liabilities and Shareholders' Equity	$ 438,318	$ 428,757