CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 25, 2012	Dec. 25, 2011
Trade receivables, allowance for doubtful receivables	$ 29,457	$ 34,646
Preferred stock, par value	$ 1	$ 1
Preferred stock, Authorized	2,000,000	2,000,000
Preferred stock, Issued
Common stock, par value	$ 1	$ 1
Common stock, Authorized	800,000,000	800,000,000
Common stock, Issued	324,418,632	324,418,632
Treasury stock, shares	89,462,676	87,381,638