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Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Jun. 24, 2012
--- | --- | ---
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | $ 833,846 | $ 565,628
Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 14,598 | 34,318
Short-term investments | 833,846 | 565,628
Total assets | 848,444 | 599,946
Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 12,589 | 31,318
Short-term investments | 0 | 0
Total assets | 12,589 | 31,318
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 2,009 | 3,000
Short-term investments | 833,846 | 565,628
Total assets | 835,855 | 568,628
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 0 | 0
Short-term investments | 0 | 0
Total assets | 0 | 0
Municipal Bonds [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 249,709 | 211,604
Municipal Bonds [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Municipal Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 249,709 | 211,604
Municipal Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Corporate Bonds [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 192,060 | 146,667
Corporate Bonds [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 192,060 | 146,667
Corporate Bonds [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Corporate Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 192,060 | 146,667
Corporate Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
U.S. Agency Securities [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 39,474 | 68,599
U.S. Agency Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 39,474 | 68,599
U.S. Agency Securities [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
U.S. Agency Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 39,474 | 68,599
U.S. Agency Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Non-U.S. certificates of deposit [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 345,000 | 130,000
Non-U.S. certificates of deposit [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 345,000 | 130,000
Non-U.S. certificates of deposit [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Non-U.S. certificates of deposit [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 345,000 | 130,000
Non-U.S. certificates of deposit [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Non-U.S. Government Securities [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 7,603 | 8,758
Non-U.S. Government Securities [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 7,603 | 8,758
Non-U.S. Government Securities [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Non-U.S. Government Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 7,603 | 8,758
Non-U.S. Government Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Short-term investments | 0 | 0
Municipal Bonds [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 2,009 | 3,000
Municipal Bonds [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 0 | 0
Municipal Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 2,009 | 3,000
Municipal Bonds [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 0 | 0
Money Market Funds [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 12,589 | 31,318
Money Market Funds [Member] | Quoted Prices in Active Markets for Identical Items (Level 1) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 12,589 | 31,318
Money Market Funds [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | 0 | 0
Money Market Funds [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Recurring [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Cash equivalents | $ 0 | $ 0

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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