Organization and Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 25, 2011
Investments in available-for-sale securities and cash equivalents
Amortized Cost	$ 314,774	$ 267,322
Gross Unrealized Gains	2,276	3,291
Gross Unrealized Losses	278	771
Estimated Fair Value	316,772	269,842
Money Market [Member]
Investments in available-for-sale securities and cash equivalents
Amortized Cost	301,451	243,966
Estimated Fair Value	301,451	243,966
Auction Rate Securities [Member]
Investments in available-for-sale securities and cash equivalents
Amortized Cost	13,323	23,356
Gross Unrealized Gains	2,276	3,291
Gross Unrealized Losses	278	771
Estimated Fair Value	$ 15,321	$ 25,876

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details

- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References+ Details