Company-Sponsored Employee Benefit Plans (Level 3 Rollforward) (Details) (Qualified pension plan [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012		Jul. 02, 2011
Fair value of plan assets at end of year	$ 2,234,869		$ 2,106,313
Real estate [Member]
Fair value of plan assets at end of year	51,097	[1]	30,615	[1]
Private Equity [Member]
Fair value of plan assets at end of year	5,295	[1]	1,480	[1]
Level 3 [Member]
Fair value of plan assets at beginning of year	32,095		17,065
Actual return on plan assets still held at the reporting date	2,141		3,443
Actual return on plan assets sold during the period	0		0
Purchase and sales during the year	22,156		11,587
Transfers in and/or out of Level 3 during the year	0		0
Fair value of plan assets at end of year	56,392		32,095
Level 3 [Member] | Real estate [Member]
Fair value of plan assets at beginning of year	30,615	[1]	17,065
Actual return on plan assets still held at the reporting date	2,155		3,371
Actual return on plan assets sold during the period	0		0
Purchase and sales during the year	18,327		10,179
Transfers in and/or out of Level 3 during the year	0		0
Fair value of plan assets at end of year	51,097	[1]	30,615	[1]
Level 3 [Member] | Private Equity [Member]
Fair value of plan assets at beginning of year	1,480	[1]	0
Actual return on plan assets still held at the reporting date	(14)		72
Actual return on plan assets sold during the period	0		0
Purchase and sales during the year	3,829		1,408
Transfers in and/or out of Level 3 during the year	0		0
Fair value of plan assets at end of year	$ 5,295	[1]	$ 1,480	[1]

[1] Include investments in investment funds only.