Stock-Based Compensation (Details) $ / shares in Units, $ in Millions		12 Months Ended
	Nov. 14, 2012 item shares	Jun. 27, 2015 USD ($) item $ / shares shares	Jun. 28, 2014 USD ($)	Jun. 29, 2013 USD ($)	Dec. 11, 2014 shares	Jun. 30, 1998 shares
Stock-Based Compensation
Stock options and Full Value Awards issued and outstanding (in shares) | shares		11,300,000
Shares of common stock available for grant | shares		10,800,000
Impact on the entity's results of operations of recording stock-based compensation by function
Stock-based compensation cost (in dollars)		$ 66.9	$ 64.1	$ 56.3
Stock-based compensation capitalized to inventory (in dollars)		1.9
Modification
Impact on the entity's results of operations of recording stock-based compensation by function
Stock-based compensation cost (in dollars)		$ 6.2
Extended exercise period for fully exercisable options resulted from modification		2 years
Number of executives resulting in a modification of equity awards | item		7
Total incremental Share-based compensation resulted from modification		$ 6.8
Minimum
Stock-Based Compensation
Vesting period		3 years
Stock awards expiration period		5 years
Maximum
Stock-Based Compensation
Vesting period		4 years
Stock awards expiration period		10 years
Cost of sales
Impact on the entity's results of operations of recording stock-based compensation by function
Stock-based compensation cost (in dollars)		$ 9.3	9.9	9.3
Research and development
Impact on the entity's results of operations of recording stock-based compensation by function
Stock-based compensation cost (in dollars)		15.3	15.6	13.5
Selling, general and administrative
Impact on the entity's results of operations of recording stock-based compensation by function
Stock-based compensation cost (in dollars)		$ 42.3	38.6	33.5
Full Value Awards - Total
Stock-Based Compensation
Exercise price (in dollars per share) | $ / shares		$ 0
Impact on the entity's results of operations of recording stock-based compensation by function
Stock-based compensation cost (in dollars)		$ 64.7	$ 60.7	$ 49.4
Full Value Awards - Total | Minimum
Stock-Based Compensation
Vesting period		1 year
Full Value Awards - Total | Maximum
Stock-Based Compensation
Vesting period		4 years
1998 Employee Stock Purchase Plan
Stock-Based Compensation
Shares reserved for issuance | shares						50,000,000
Shares of common stock available for grant | shares		3,200,000
Discount rate provided under purchase plan (as a percent)		5.00%
Look-back period		6 months
2003 Plan
Stock-Based Compensation
Common stock added to the pool of shares reserved for issuance under the plan (in shares) | shares	10,000,000				9,000,000
Number of additional amendments approved by shareholders | item	2
Additional term of plan after the date of approval of amendment	10 years