Financial Instruments (Schedule Of Amortized Cost And Fair Value Of Cash Equivalents, Short-Term Investments, And Restricted Cash And Investments With Contractual Maturities) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 25, 2011	Jun. 26, 2011
Financial Instruments [Abstract]
Due in less than one year, Cost	$ 1,726,678	$ 1,606,390
Due in less than one year, Estimated Fair Value	1,727,063	1,606,925
Due in more than one year, Cost	514,565	487,103
Due in more than one year, Estimated Fair Value	516,195	489,675
Cost	2,241,243	2,093,493
Estimated Fair Value	$ 2,243,258	$ 2,096,600