Employee Pension and Other Benefit Plans (Details) - USD ($)	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Employee 401(k) Plans
Maximum contribution by an employee, as percentage of annual compensation	50.00%
Maximum amount of contribution by an employee in a calendar year	$ 18,000
Period of service required for eligibility under matching contributions	180 days
Employer match of employee's contributions of the first 3% of eligible compensation (as a percent)	100.00%
Percentage of eligible compensation, matched 100% by employer	3.00%
Employer match of employee's contributions of the next 2% of eligible compensation (as a percent)	50.00%
Percentage of eligible compensation, matched 50% by employer	2.00%
Company's matching contribution to the plan	$ 7,800,000	$ 7,500,000	$ 7,400,000