Condensed Consolidated Statements of Financial Position (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current Assets
Cash	$ 4,053	$ 3,948
Accounts receivable-less allowances of $3,782 and $3,255, respectively	124,076	115,508
Inventories
Finished and in-process products	75,074	72,899
Raw materials and supplies	34,339	34,603
Inventory net	109,413	107,502
Prepaid expenses	9,232	9,033
Deferred income taxes	2,240	3,605
Total Current Assets	249,014	239,596
Other Assets
Goodwill	61,039	61,056
Patents and other intangible assets	25,002	25,839
Other	7,509	7,882
Total other non current assets	93,550	94,777
Property, Plant and Equipment, at Cost
Land	4,438	4,438
Buildings and leasehold improvements	57,056	57,058
Machinery and equipment	449,235	445,789
Property, Plant and Equipment, at cost	510,729	507,285
Less allowances for depreciation and amortization	(364,690)	(356,802)
Property, plant and equipment, net	146,039	150,483
Total Assets	488,603	484,856
Current Liabilities
Accounts payable	63,773	72,417
Accrued expenses
Employee compensation	13,982	18,885
Income taxes	2,675	1,090
Taxes, other than income taxes	2,643	2,606
Accrued interest	841	240
Other	19,459	19,239
Total Current Liabilities	103,373	114,477
Long-term debt	103,578	92,814
Other liabilities	17,089	17,865
Deferred income taxes	30,470	29,678
Shareholders’ Equity
Serial Preferred Shares (authorized 1,000,000 shares; none issued and outstanding)	0	0
Common Shares, without par value (authorized 60,000,000 shares; outstanding 33,551,449 and 33,480,189; net of treasury shares of 4,148,683 and 4,356,160, respectively)	20,329	20,316
Additional paid-in capital	266,632	266,419
Accumulated other comprehensive income	9,717	10,643
Retained deficit	(62,585)	(67,356)
Total Shareholders' Equity	234,093	230,022
Total Liabilities and Shareholders' Equity	$ 488,603	$ 484,856