Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 83,039	$ 76,412
Accounts receivable, less allowances (2012 - $1,116; 2011 - $1,100)	90,604	88,345
Inventories - Note D	78,664	92,540
Other current assets	24,083	26,089
Total current assets	276,390	283,386
Property, plant and equipment, less accumulated depreciation (2012 - $241,634; 2011 - $241,585)	91,171	84,860
Other Assets
Prepaid pension asset	7,767	4,359
Goodwill - Note L	5,855	500
Other intangible assets, net - Note L	31,911	29,886
Deferred income taxes	75,045	76,200
Other	1,950	1,624
Total other assets	122,528	112,569
Total Assets	490,089	480,815
Current Liabilities
Accounts payable	66,477	80,468
Accrued liabilities	42,901	43,769
Total current liabilities	109,378	124,237
Long-term debt - Note E	97,000	74,400
Other long-term obligations	18,241	18,881
Shareholders' Equity
Preferred stock - authorized 25,000,000 shares without par value; none issued
Common stock - authorized 75,000,000 shares without par value; 55,208,565 shares issued at July 1, 2012 and 54,790,110 shares issued at December 31, 2011	291,024	287,661
Additional contributed capital	38,402	39,161
Retained earnings	355,410	352,205
Accumulated other comprehensive loss	(113,139)	(115,146)
Total shareholder's equity before treasury	571,697	563,881
Cost of common stock held in treasury (2012 - 21,296,593 and 2011 - 20,724,106 shares)	(306,227)	(300,584)
Total shareholders' equity	265,470	263,297
Total Liabilities and Shareholders' Equity	$ 490,089	$ 480,815