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Investments and Fair Value Measurements (Details 3) - USD ($) shares in Millions	6 Months Ended	12 Months Ended
	Jul. 02, 2016	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Trading securities related to deferred compensation plan
Term of maturities of securities classified as current assets included in short-term investments		12 months
Available-for-sale Securities	$ 519,100,000	$ 519,100,000	$ 496,400,000
Other-than-temporary impairment loss		0	0	$ 0
Short-term investments
Trading securities related to deferred compensation plan
Available-for-sale Securities	311,100,000	311,100,000	461,900,000
Short-term investments | Trading securities
Trading securities related to deferred compensation plan
Deferred compensation plan assets	2,400,000	2,400,000	3,000,000
Short-term investments | Trading securities | Debt securities
Trading securities related to deferred compensation plan
Deferred compensation plan assets	300,000	300,000	400,000
Short-term investments | Trading securities | Money market instruments and funds
Trading securities related to deferred compensation plan
Deferred compensation plan assets	800,000	800,000	700,000
Short-term investments | Trading securities | Marketable equity investments
Trading securities related to deferred compensation plan
Deferred compensation plan assets	1,300,000	1,300,000	$ 1,900,000
Marketable equity investments
Trading securities related to deferred compensation plan
Available-for-sale Securities	171,300,000	$ 171,300,000
Number of equity securities sold (in security)		(4.5)
Gross realized gain (loss)	71,500,000
Income tax effect on gross realized gain (loss)	2,000,000
Marketable equity investments | Short-term investments
Trading securities related to deferred compensation plan
Available-for-sale Securities	$ 171,300,000	$ 171,300,000

X

- 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=65884222&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
-Paragraph 5
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-Section 45
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
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+ References

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-Name Accounting Standards Codification
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