Financial Instruments (Schedule Of Assets And Liabilities Measured At Fair Value As Reported In Consolidated Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 25, 2011	Jun. 26, 2011
Financial Instruments [Line Items]
Cash Equivalents	$ 1,365,517	$ 1,301,600
Short- Term Investments	712,856	630,115
Restricted Cash and Investments	164,885	164,885
Prepaid Expenses and Other Current Assets	26,109	26,910
Other Assets	1,002	1,994
Total	2,270,369	2,125,504
Accrued Expenses and Other Current Liabilities	5,785	1,924
Derivative Liabilities	5,785	1,924
Level 1 [Member]
Financial Instruments [Line Items]
Cash Equivalents	1,364,760	1,300,098
Short- Term Investments	6,064	8,496
Restricted Cash and Investments	164,885	164,885
Prepaid Expenses and Other Current Assets	26,109	26,910
Total	1,561,818	1,500,389
Level 2 [Member]
Financial Instruments [Line Items]
Cash Equivalents	757	1,502
Short- Term Investments	706,792	621,619
Other Assets	1,002	1,994
Total	708,551	625,115
Accrued Expenses and Other Current Liabilities	5,785	1,924
Derivative Liabilities	5,785	1,924
Total [Member]
Financial Instruments [Line Items]
Total	2,270,369	2,125,504
Total [Member] | Level 1 [Member]
Financial Instruments [Line Items]
Total	1,561,818	1,500,389
Total [Member] | Level 2 [Member]
Financial Instruments [Line Items]
Total	$ 708,551	$ 625,115