Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 30, 2011
Allowance for doubtful accounts	$ 2,751	$ 4,391
Common Stock, Shares Authorized	1,200,000
Common Class A [Member]
Common Stock, Par or Stated Value Per Share	$ 1.00	$ 1.00
Common Stock, Shares Authorized	600,000	600,000
Common Stock, Shares, Outstanding	188,938	185,388
Common Class B [Member]
Common Stock, Par or Stated Value Per Share	$ 1.00
Common Stock, Shares Authorized	600,000
Common stock value convertible Stated Value Per Share	$ 1.00	$ 1.00
Common Stock Value Convertible, Authorized	600,000	600,000
Common stock value convertible, outstanding	0	0