Company-Sponsored Employee Benefit Plans (Fair Value Measurements) (Details) (Qualified pension plan [Member], USD $)	Jun. 30, 2012		Jul. 02, 2011		Jul. 03, 2010
Fair value of plan assets at end of year	$ 2,234,869,000		$ 2,106,313,000
U.S. large cap equity [Member]
Fair value of plan assets at end of year	557,592,000	[1]	496,760,000	[1]
U.S. small to mid cap equity [Member]
Fair value of plan assets at end of year	133,388,000		166,890,000
International equity [Member]
Fair value of plan assets at end of year	670,139,000	[2]	573,466,000	[2]
Real estate [Member]
Fair value of plan assets at end of year	51,097,000	[2]	30,615,000	[2]
Private Equity [Member]
Fair value of plan assets at end of year	5,295,000	[2]	1,480,000	[2]
Total invested plan assets [Member]
Fair value of plan assets at end of year	2,260,185,000		2,146,207,000
Level 1 [Member] | U.S. large cap equity [Member]
Fair value of plan assets at end of year	143,544,000	[1]	139,048,000	[1]
Level 1 [Member] | U.S. small to mid cap equity [Member]
Fair value of plan assets at end of year	133,388,000		166,890,000
Level 1 [Member] | International equity [Member]
Fair value of plan assets at end of year	0	[2]	117,655,000	[2]
Level 1 [Member] | Real estate [Member]
Fair value of plan assets at end of year	0	[2]	0	[2]
Level 1 [Member] | Private Equity [Member]
Fair value of plan assets at end of year	0	[2]	0	[2]
Level 1 [Member] | Total invested plan assets [Member]
Fair value of plan assets at end of year	277,108,000		424,043,000
Level 2 [Member] | U.S. large cap equity [Member]
Fair value of plan assets at end of year	414,048,000	[1]	357,712,000	[1]
Level 2 [Member] | U.S. small to mid cap equity [Member]
Fair value of plan assets at end of year	0		0
Level 2 [Member] | International equity [Member]
Fair value of plan assets at end of year	670,139,000	[2]	455,811,000	[2]
Level 2 [Member] | Real estate [Member]
Fair value of plan assets at end of year	0	[2]	0	[2]
Level 2 [Member] | Private Equity [Member]
Fair value of plan assets at end of year	0	[2]	0	[2]
Level 2 [Member] | Total invested plan assets [Member]
Fair value of plan assets at end of year	1,926,685,000		1,690,069,000
Level 3 [Member]
Fair value of plan assets at end of year	56,392,000		32,095,000		17,065,000
Level 3 [Member] | U.S. large cap equity [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Level 3 [Member] | U.S. small to mid cap equity [Member]
Fair value of plan assets at end of year	0		0
Level 3 [Member] | International equity [Member]
Fair value of plan assets at end of year	0	[2]	0	[2]
Level 3 [Member] | Real estate [Member]
Fair value of plan assets at end of year	51,097,000	[2]	30,615,000	[2]	17,065,000
Level 3 [Member] | Private Equity [Member]
Fair value of plan assets at end of year	5,295,000	[2]	1,480,000	[2]	0
Level 3 [Member] | Total invested plan assets [Member]
Fair value of plan assets at end of year	56,392,000		32,095,000
Cash and cash equivalents [Member]
Fair value of plan assets at end of year	44,904,000	[1]	112,217,000	[1]
Cash and cash equivalents [Member] | Level 1 [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Cash and cash equivalents [Member] | Level 2 [Member]
Fair value of plan assets at end of year	44,904,000	[1]	112,217,000	[1]
Cash and cash equivalents [Member] | Level 3 [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Core Fixed Income [Member]
Fair value of derivative assets	300,000		8,600,000
Fair value of derivative liabilities	300,000		9,000,000
Core Fixed Income [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	43,690,000		62,691,000
Core Fixed Income [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	85,391,000	[1]	80,379,000	[1]
Core Fixed Income [Member] | Asset-backed securities [Member]
Fair value of plan assets at end of year	11,937,000		8,704,000
Core Fixed Income [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	106,722,000	[1]	129,941,000	[3]
Core Fixed Income [Member] | Other debt [Member]
Fair value of plan assets at end of year	17,440,000	[1]	17,500,000	[1]
Core Fixed Income [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	(22,000)	[4]	(374,000)	[5]
Core Fixed Income [Member] | Level 1 [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	0		0
Core Fixed Income [Member] | Level 1 [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Core Fixed Income [Member] | Level 1 [Member] | Asset-backed securities [Member]
Fair value of plan assets at end of year	0		0
Core Fixed Income [Member] | Level 1 [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	0	[1]	0	[3]
Core Fixed Income [Member] | Level 1 [Member] | Other debt [Member]
Fair value of plan assets at end of year	192,000	[1]	204,000	[1]
Core Fixed Income [Member] | Level 1 [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	(16,000)	[4]	(34,000)	[5]
Core Fixed Income [Member] | Level 2 [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	43,690,000		62,691,000
Core Fixed Income [Member] | Level 2 [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	85,391,000	[1]	80,379,000	[1]
Core Fixed Income [Member] | Level 2 [Member] | Asset-backed securities [Member]
Fair value of plan assets at end of year	11,937,000		8,704,000
Core Fixed Income [Member] | Level 2 [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	106,722,000	[1]	129,941,000	[3]
Core Fixed Income [Member] | Level 2 [Member] | Other debt [Member]
Fair value of plan assets at end of year	17,248,000	[1]	17,296,000	[1]
Core Fixed Income [Member] | Level 2 [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	(6,000)	[4]	(340,000)	[5]
Core Fixed Income [Member] | Level 3 [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	0		0
Core Fixed Income [Member] | Level 3 [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Core Fixed Income [Member] | Level 3 [Member] | Asset-backed securities [Member]
Fair value of plan assets at end of year	0		0
Core Fixed Income [Member] | Level 3 [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	0	[1]	0	[3]
Core Fixed Income [Member] | Level 3 [Member] | Other debt [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Core Fixed Income [Member] | Level 3 [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	0	[4]	0	[5]
Long duration fixed income [Member]
Fair value of derivative assets	500,000		1,100,000
Fair value of derivative liabilities	600,000		300,000
Long duration fixed income [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	143,825,000		79,970,000
Long duration fixed income [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	119,947,000		139,916,000
Long duration fixed income [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	9,946,000		11,810,000
Long duration fixed income [Member] | Other debt [Member]
Fair value of plan assets at end of year	12,813,000	[1]	12,529,000	[1]
Long duration fixed income [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	(43,000)	[6]	792,000	[7]
Long duration fixed income [Member] | High yield fixed income [Member]
Fair value of plan assets at end of year	205,984,000	[2]	191,583,000	[2]
Long duration fixed income [Member] | Level 1 [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	0		0
Long duration fixed income [Member] | Level 1 [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	0		0
Long duration fixed income [Member] | Level 1 [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	0		0
Long duration fixed income [Member] | Level 1 [Member] | Other debt [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Long duration fixed income [Member] | Level 1 [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	0	[6]	280,000	[7]
Long duration fixed income [Member] | Level 1 [Member] | High yield fixed income [Member]
Fair value of plan assets at end of year	0	[2]	0	[2]
Long duration fixed income [Member] | Level 2 [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	143,825,000		79,970,000
Long duration fixed income [Member] | Level 2 [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	119,947,000		139,916,000
Long duration fixed income [Member] | Level 2 [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	9,946,000		11,810,000
Long duration fixed income [Member] | Level 2 [Member] | Other debt [Member]
Fair value of plan assets at end of year	12,813,000	[1]	12,529,000	[1]
Long duration fixed income [Member] | Level 2 [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	(43,000)	[6]	512,000	[7]
Long duration fixed income [Member] | Level 2 [Member] | High yield fixed income [Member]
Fair value of plan assets at end of year	205,984,000	[2]	191,583,000	[2]
Long duration fixed income [Member] | Level 3 [Member] | U.S. government and agency securities [Member]
Fair value of plan assets at end of year	0		0
Long duration fixed income [Member] | Level 3 [Member] | Corporate bonds [Member]
Fair value of plan assets at end of year	0		0
Long duration fixed income [Member] | Level 3 [Member] | Mortgage-backed securities, net [Member]
Fair value of plan assets at end of year	0		0
Long duration fixed income [Member] | Level 3 [Member] | Other debt [Member]
Fair value of plan assets at end of year	0	[1]	0	[1]
Long duration fixed income [Member] | Level 3 [Member] | Derivatives, net [Member]
Fair value of plan assets at end of year	0	[6]	0	[7]
Long duration fixed income [Member] | Level 3 [Member] | High yield fixed income [Member]
Fair value of plan assets at end of year	0	[2]	0	[2]
Reconciling item pension assets [Member]
Fair value of plan assets at end of year	(25,316,000)	[8]	(39,894,000)	[8]
Municipal Bonds [Member] | Long duration fixed income [Member]
Fair value of plan assets at end of year	22,014,000		18,786,000
Municipal Bonds [Member] | Long duration fixed income [Member] | Level 1 [Member]
Fair value of plan assets at end of year	0		0
Municipal Bonds [Member] | Long duration fixed income [Member] | Level 2 [Member]
Fair value of plan assets at end of year	22,014,000		18,786,000
Municipal Bonds [Member] | Long duration fixed income [Member] | Level 3 [Member]
Fair value of plan assets at end of year	0		0
Sovereign Debt [Member] | Long duration fixed income [Member]
Fair value of plan assets at end of year	18,126,000		10,552,000
Sovereign Debt [Member] | Long duration fixed income [Member] | Level 1 [Member]
Fair value of plan assets at end of year	0		0
Sovereign Debt [Member] | Long duration fixed income [Member] | Level 2 [Member]
Fair value of plan assets at end of year	18,126,000		10,552,000
Sovereign Debt [Member] | Long duration fixed income [Member] | Level 3 [Member]
Fair value of plan assets at end of year	$ 0		$ 0

[1] Include direct investments and investment funds.

[2] Include investments in investment funds only.

[3] Include direct investments, investment funds and forward settling sales.

[4] Include credit default swaps, interest rate swaps, and futures. The fair value of asset positions totaled $0.3 million; the fair value of liability positions totaled $0.3 million.

[5] Include credit default swaps, interest rate swaps and futures. The fair value of asset positions totaled $8.6 million; the fair value of liability positions totaled $9.0 million.

[6] Include credit default swaps, interest rate swaps, foreign currency contracts, futures and options. The fair value of asset positions totaled $0.5 million; the fair value of liability positions totaled $0.6 million.

[7] Include credit default swaps, interest rate swaps, foreign currency contracts, futures and options. The fair value of asset positions totaled $1.1 million; the fair value of liability positions totaled $0.3 million.

[8] Include primarily plan receivables and payables, net.