Payment-in-Kind Notes Receivable (Details) (USD $)	12 Months Ended		12 Months Ended
	May 29, 2011	May 30, 2010	May 31, 2009 Trading and Merchandising Operations [Member]	May 30, 2010 Notes due June 2010 [Member]	May 31, 2009 Notes due June 2010 [Member]	May 31, 2009 Notes due June 2011 [Member]	May 31, 2009 Notes due June 2012 [Member]	May 30, 2010 Notes due June 2011 and June 2012 [Member]
Additional Payment-in-Kind Notes Receivable (Textuals) [Abstract]
Carrying amount of debt securities received for second and third tranches	$ 554,200,000
Gain due to receipt of payment in advance	25,000,000
Payment-in-Kind Notes Receivable (Textuals) [Abstract]
Notes issued, principal amount					99,990,000	200,035,000	249,975,000
Notes issued, coupon rate					10.50%	10.75%	11.00%
Carrying amount of debt securities received in proceeds from divestiture of businesses				115,400,000
Carrying value of notes classified within other assets	293,600,000	695,600,000						490,200,000
Face amount of debt securities received in proceeds from divestiture of businesses			550,000,000
Payment-in-kind debt securities issued by the purchaser, initial estimated fair value			$ 479,400,000