Employee Benefit Costs (Schedule of Changes in Level 3 Investments for Pension Plan) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 29, 2014		Jun. 30, 2013
Fair Value of Plan Assets at End of Year	$ 1,043,466		$ 962,633
Venture Capital Funds [Member]
Fair Value of Plan Assets at End of Year	82,776	[1]	153,645	[1]
Debt Funds [Member]
Fair Value of Plan Assets at End of Year	19,907	[2]	27,299	[2]
Real Estate Funds [Member]
Fair Value of Plan Assets at End of Year	10,445	[3]	11,506	[3]
Private Equity Funds [Member]
Fair Value of Plan Assets at End of Year	54,855	[4]	61,566	[4]
Fair Value Measurements Using Level 3 [Member]
Fair Value of Plan Assets at Beginning of Year	254,016	[5]	296,555
Purchases, Sales, Issuances, and Settlements	(114,847)		(56,984)
Realized and Unrealized Gain (Loss)	28,814		14,445
Fair Value of Plan Assets at End of Year	167,983	[5]	254,016	[5]
Fair Value Measurements Using Level 3 [Member] | Venture Capital Funds [Member]
Fair Value of Plan Assets at Beginning of Year	153,645	[1],[5]	152,093
Purchases, Sales, Issuances, and Settlements	(98,738)		(16,360)
Realized and Unrealized Gain (Loss)	27,869		17,912
Fair Value of Plan Assets at End of Year	82,776	[1],[5]	153,645	[1],[5]
Fair Value Measurements Using Level 3 [Member] | Debt Funds [Member]
Fair Value of Plan Assets at Beginning of Year	27,299	[2],[5]	36,211
Purchases, Sales, Issuances, and Settlements	(6,109)		(7,258)
Realized and Unrealized Gain (Loss)	(1,283)		(1,654)
Fair Value of Plan Assets at End of Year	19,907	[2],[5]	27,299	[2],[5]
Fair Value Measurements Using Level 3 [Member] | Real Estate Funds [Member]
Fair Value of Plan Assets at Beginning of Year	11,506	[3],[5]	13,888
Purchases, Sales, Issuances, and Settlements	(1,179)		(3,272)
Realized and Unrealized Gain (Loss)	118		890
Fair Value of Plan Assets at End of Year	10,445	[3],[5]	11,506	[3],[5]
Fair Value Measurements Using Level 3 [Member] | Private Equity Funds [Member]
Fair Value of Plan Assets at Beginning of Year	61,566	[4],[5]	71,185
Purchases, Sales, Issuances, and Settlements	(8,821)		(10,094)
Realized and Unrealized Gain (Loss)	2,110		475
Fair Value of Plan Assets at End of Year	54,855	[4],[5]	61,566	[4],[5]
Fair Value Measurements Using Level 3 [Member] | Global Balanced Funds [Member]
Fair Value of Plan Assets at Beginning of Year			23,178
Purchases, Sales, Issuances, and Settlements			(20,000)
Realized and Unrealized Gain (Loss)			(3,178)
Fair Value of Plan Assets at End of Year			$ 0	[5]

[1] This category invests in a combination of public and private securities of companies in financial distress, spin-offs, or new projects focused on technology and manufacturing.

[2] This fund primarily invests in the debt of various entities including corporations and governments in emerging markets, mezzanine financing, or entities that are undergoing, are considered likely to undergo or have undergone a reorganization.

[3] This category invests primarily in real estate related investments, including real estate properties, securities of real estate companies and other companies with significant real estate assets as well as real estate related debt and equity securities.

[4] Primarily represents investments in all sizes of mostly privately held operating companies in the following core industry sectors: healthcare, energy, financial services, technology-media-telecommunications and industrial and consumer.

[5] (a) There were no transfers in or out of Level 3 during the years ended June 29, 2014 or June 30, 2013.