CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jul. 02, 2011
CURRENT ASSETS
Cash & cash equivalents	$ 66,617	$ 78,612	$ 41,282
Investments	12,820	10,895	10,324
Trade accounts receivable, Less allowances of $1,502, $1,731 & $1,661	26,010	41,895	26,862
Other receivables	3,654	3,391	7,043
Inventories, at cost
Finished goods & work in process	62,867	42,676	74,506
Raw material & supplies	33,112	29,084	30,784
Prepaid expenses	5,777	5,070	8,103
Deferred income taxes	578	578	682
Total current assets	211,435	212,201	199,586
PROPERTY, PLANT & EQUIPMENT, at cost
Land	21,653	21,939	21,659
Buildings	107,891	107,567	103,002
Machinery & equipment	323,046	322,993	307,325
Construction in progress	7,940	2,598	15,221
Property, plant and equipment, gross	460,530	455,097	447,207
Less-accumulated depreciation	252,784	242,935	234,714
Net property, plant and equipment	207,746	212,162	212,493
OTHER ASSETS
Goodwill	73,237	73,237	73,237
Trademarks	175,024	175,024	175,024
Investments	114,889	96,161	103,835
Split dollar officer life insurance	70,549	74,209	74,441
Prepaid expenses	1,564	3,212	5,034
Equity method investment	3,270	3,935	4,751
Deferred income taxes	7,723	7,715	9,106
Total other assets	446,256	433,493	445,428
Total assets	865,437	857,856	857,507
CURRENT LIABILITIES
Accounts payable	14,374	10,683	13,869
Dividends payable	4,714	4,603	4,635
Accrued liabilities	42,889	43,069	41,197
Total current liabilities	61,977	58,355	59,701
NONCURRENT LIABILITIES
Deferred income taxes	43,311	43,521	46,651
Postretirement health care and life insurance benefits	27,625	26,108	21,709
Industrial development bonds	7,500	7,500	7,500
Liability for uncertain tax positions	7,580	8,345	10,074
Deferred compensation and other liabilities	51,644	48,092	48,866
Total noncurrent liabilities	137,660	133,566	134,800
SHAREHOLDERS' EQUITY
Capital in excess of par value	563,859	533,677	543,503
Retained earnings	82,931	114,269	94,366
Accumulated other comprehensive loss	(19,910)	(19,953)	(13,100)
Treasury stock (at cost)- 73, 71 & 71 shares, respectively	(1,992)	(1,992)	(1,992)
Total shareholders' equity	665,800	665,935	663,006
Total liabilities and shareholders' equity	865,437	857,856	857,507
Common stock
SHAREHOLDERS' EQUITY
Common stock	25,884	25,333	25,618
Class B common stock
SHAREHOLDERS' EQUITY
Common stock	$ 15,028	$ 14,601	$ 14,611