Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Jul. 03, 2011
Available-for-sale and trading securities recorded as cash and cash equivalents or short-term investments
Available-for-sale securities, Amortized Cost	$ 47,930	$ 55,964
Available-for-sale securities, Gross Unrealized Gains (Losses)		6
Available-for-sale securities, Fair Value	47,930	55,970
Money Market Funds [Member]
Available-for-sale and trading securities recorded as cash and cash equivalents or short-term investments
Available-for-sale securities, Amortized Cost	8,650	12,630
Available-for-sale securities, Fair Value	8,650	12,630
Corporate Debt Securities [Member]
Available-for-sale and trading securities recorded as cash and cash equivalents or short-term investments
Available-for-sale securities, Amortized Cost	23,705	23,424
Available-for-sale securities, Gross Unrealized Gains (Losses)	(2)	6
Available-for-sale securities, Fair Value	23,703	23,430
US Government Sponsored Enterprises Debt Securities [Member]
Available-for-sale and trading securities recorded as cash and cash equivalents or short-term investments
Available-for-sale securities, Amortized Cost	12,513	16,456
Available-for-sale securities, Gross Unrealized Gains (Losses)	2
Available-for-sale securities, Fair Value	12,515	16,456
Mutual Funds [Member]
Available-for-sale and trading securities recorded as cash and cash equivalents or short-term investments
Available-for-sale securities, Amortized Cost	3,062	3,454
Available-for-sale securities, Fair Value	$ 3,062	$ 3,454

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.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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