Stock-Based Compensation (Details 4) - USD ($) $ / shares in Units, $ in Millions				12 Months Ended
	May. 29, 2015	Jan. 30, 2015	Jul. 31, 2014	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Stock-Based Compensation
Compensation expense (in dollars)				$ 66.9	$ 64.1	$ 56.3
Full Value Awards - Total
Stock-Based Compensation
Compensation expense (in dollars)				64.7	60.7	$ 49.4
Unrecognized stock-based compensation				$ 72.1
Estimated amortization period				2 years
Employee Stock Purchase Plan
Stock-Based Compensation
Shares issued	297,274	500,015	438,931
Fair market value at purchase date (in dollars per share)	$ 12.82	$ 12.15	$ 11.87
Compensation expense (in dollars)					$ 1.4
Unrecognized stock-based compensation				$ 0.0