Consolidated Condensed Balance Sheets (Parenthetical) (Unaudited) (USD $) In Thousands, except Share data	Jun. 18, 2011	Jan. 01, 2011	Jun. 19, 2010
Current assets:
Allowances, Accounts receivable	$ 10,237	$ 11,413	$ 14,217
Stockholders' equity
Common Stock, par value	$ 1	$ 1	$ 1
Common Stock, shares authorized	160,000,000	160,000,000	160,000,000
Common Stock, shares issued (including treasury shares)	64,860,785	63,976,387	63,678,277
Treasury Stock, shares	15,632,031	14,976,835	14,822,207