Pension and Retirement Plans (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jul. 03, 2010
Components of net periodic pension costs
Service cost	$ 28,380	$ 23,874	$ 0
Interest cost	14,925	13,918	15,748
Expected return on plan assets	(26,938)	(27,560)	(30,137)
Recognized net actuarial loss	9,680	8,938	5,687
Amortization of prior service credit	(1,875)	(1,875)	(4,884)
Net periodic pension cost	24,172	17,295	(13,586)
Estimated future benefit payments
2013	28,399
2014	24,035
2015	24,903
2016	28,741
2017	31,977
2018 through 2022	$ 218,671
Plan's assets are held in trust and were allocated
Equity securities	75.00%	76.00%
Debt securities	24.00%	24.00%
Cash and receivables	1.00%	0.00%