Company-Sponsored Employee Benefit Plans (Employer Contributions) (Details) (USD $)	12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
Pension Benefits [Member]
Employer contributions	$ 93,562,000	$ 162,444,000
Qualified Pension Plan [Member]
Employer contributions	70,000,000	140,000,000
Supplemental Executive Retirement Plan [Member]
Estimated contributions to defined benefit plans in next fiscal year	25,800,000
Other Postretirement Plans [Member]
Employer contributions	49,000	(128,000)
Estimated contributions to defined benefit plans in next fiscal year	$ 400,000