Company-Sponsored Employee Benefit Plans (Employer Contributions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	$ 157,482	$ 75,133
Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	130,000
Supplemental executive retirement plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated contributions to defined benefit plans in next fiscal year	29,500
Other Postretirement Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	(608)	$ (329)
Estimated contributions to defined benefit plans in next fiscal year	$ 300