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Components of Senior Notes (Detail) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Sep. 27, 2015 | Jun. 28, 2015 | Mar. 12, 2015
2.75% Notes due March 15, 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value, long-term | $ 497,200 | $ 497,053 |
Unamortized discount | 2,800 | 2,947 |
Principal amount | $ 500,000 | 500,000 | $ 500,000
Remaining amortization period (years) | 4 years 6 months |  |
Fair Value of Notes (Level 2) | $ 488,460 |  |
3.80% Notes due March 15, 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Carrying value, long-term | 496,966 | 496,907 |
Unamortized discount | 3,034 | 3,093 |
Principal amount | $ 500,000 | $ 500,000 | $ 500,000
Remaining amortization period (years) | 9 years 6 months |  |
Fair Value of Notes (Level 2) | $ 486,870 |  |

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- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Convertible Security -URI http://asc.fasb.org/extlink&oid=6509036 + Details
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