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Investments (Tables) | 3 Months Ended
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Sep. 25, 2011
Investments, Debt and Equity Securities [Abstract] |
Summary of Marketable Investments by Type | The following table provides a summary of marketable investments by type (in thousands):
|  | September 25, 2011
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Municipal bonds |  | $ | 216,321 |  |  | $ | 3,462 |  |  | $ | (1 | ) |  | $ | 219,782 |
Corporate bonds |  | 171,268 |  |  | 1,777 |  |  | (572 | ) |  | 172,473 |
Certificates of deposit |  | 43,003 |  |  | 4 |  |  | (2 | ) |  | 43,005 |
Commercial paper |  | 7,146 |  |  | — |  |  | — |  |  | 7,146 |
U.S. agency securities |  | 49,088 |  |  | 582 |  |  | (36 | ) |  | 49,634 |
Non-U.S. government securities |  | 1,016 |  |  | — |  |  | (1 | ) |  | 1,015 |
Total |  | $ | 487,842 |  |  | $ | 5,825 |  |  | $ | (612 | ) |  | $ | 493,055 |
|  | June 26, 2011
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Municipal bonds |  | $ | 391,465 |  |  | $ | 3,943 |  |  | $ | (10 | ) |  | $ | 395,398 |
Corporate bonds |  | 207,241 |  |  | 2,312 |  |  | (115 | ) |  | 209,438 |
Certificates of deposit |  | 10,003 |  |  | 12 |  |  | — |  |  | 10,015 |
Municipal variable rate demand notes |  | 295 |  |  | — |  |  | — |  |  | 295 |
Commercial paper |  | 4,999 |  |  | — |  |  | — |  |  | 4,999 |
U.S. agency securities |  | 67,244 |  |  | 807 |  |  | (2 | ) |  | 68,049 |
Non-U.S. government securities |  | 6,986 |  |  | 19 |  |  | — |  |  | 7,005 |
Total |  | $ | 688,233 |  |  | $ | 7,093 |  |  | $ | (127 | ) |  | $ | 695,199 |
Contractual Maturities of Marketable Investments | The contractual maturities of marketable investments at September 25, 2011 were as follows (in thousands):
| September 25, 2011
| Within One Year |  | After One, Within Five Years |  | After Five, Within Ten Years |  | After Ten Years |  | Total
Municipal bonds | $ | 69,171 |  |  | $ | 150,611 |  |  | $ | — |  |  | $ | — |  |  | $ | 219,782 |
Corporate bonds | 71,676 |  |  | 100,797 |  |  | — |  |  | — |  |  | $ | 172,473 |
Certificates of deposit | 38,001 |  |  | 5,004 |  |  | — |  |  | — |  |  | $ | 43,005 |
Commercial paper | 7,146 |  |  | — |  |  | — |  |  | — |  |  | $ | 7,146 |
U.S. agency securities | 10,343 |  |  | 39,291 |  |  | — |  |  | — |  |  | $ | 49,634 |
Non-U.S. government securities | — |  |  | 1,015 |  |  | — |  |  | — |  |  | $ | 1,015 |
Total | $ | 196,337 |  |  | $ | 296,718 |  |  | $ | — |  |  | $ | — |  |  | $ | 493,055 |

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- Definition Tabular disclosure of 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27198-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27337-111563 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 + Details
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