Summary of quarterly results (unaudited) (Details) (USD $) In Thousands, except Per Share data	3 Months Ended								12 Months Ended
	Jul. 02, 2011	Apr. 02, 2011	Jan. 01, 2011	Oct. 02, 2010	Jul. 03, 2010	Apr. 03, 2010	Jan. 02, 2010	Oct. 03, 2009	Jul. 02, 2011	Jul. 03, 2010	Jun. 27, 2009
Summary of quarterly results of Income
Sales	$ 6,912,100	$ 6,672,400	$ 6,767,500	$ 6,182,400	$ 5,213,800	$ 4,756,800	$ 4,834,500	$ 4,355,000	$ 26,534,413	$ 19,160,172	$ 16,229,896
Gross profit	824,900	786,600	773,200	723,100	645,800	582,800	551,900	499,700	3,107,805	2,280,217	2,022,993
Net income	$ 238,800	$ 151,000	$ 141,000	$ 138,200	$ 141,100	$ 114,500	$ 103,900	$ 50,900	$ 669,069	$ 410,370	$ (1,129,712)
Diluted earnings (loss) per share	$ 1.54	$ 0.98	$ 0.91	$ 0.90	$ 0.92	$ 0.75	$ 0.68	$ 0.33	$ 4.34	$ 2.68	$ (7.49)	[1]

[1] As adjusted for the retrospective application of an accounting standard. See Note 1 to the consolidated financial statements.