Employee Benefit Costs (Schedule of Income and Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jul. 03, 2011
Net Curtailment Loss	$ (1,914)	$ (700)
Pension Benefits [Member]
Service Cost-Benefits Earned During the Year	13,222	13,764	13,475
Interest Cost on Projected Benefit Obligation	50,154	56,762	56,696
Expected Return on Plan Assets	(75,832)	(76,445)	(76,975)
Amortization of Transition Obligation	7	8	8
Amortization of Prior Service Cost (Credit)	366	2,856	3,059
Amortization of Actuarial Loss	34,821	20,230	17,771
Net Curtailment Loss	1,914	375
Net Periodic Expense	24,652	17,550	14,034
Other Postretirement Benefits [Member]
Service Cost-Benefits Earned During the Year	358	407	486
Interest Cost on Projected Benefit Obligation	4,754	6,468	7,088
Expected Return on Plan Assets	0	0	0
Amortization of Transition Obligation	0	0	0
Amortization of Prior Service Cost (Credit)	(3,589)	(3,800)	(3,485)
Amortization of Actuarial Loss	7,624	8,942	10,268
Net Curtailment Loss	0	359	0
Net Periodic Expense	$ 9,147	$ 12,376	$ 14,357