Company-Sponsored Employee Benefit Plans (Estimated Future Benefit Payments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 28, 2014
Pension Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Estimated future benefit payment in year one	$ 94,616
Estimated future benefit payment in year two	104,096
Estimated future benefit payment in year three	114,891
Estimated future benefit payment in year four	125,671
Estimated future benefit payment in year five	136,345
Estimated future benefit payment after year five	844,181
Other Postretirement Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Estimated future benefit payment in year one	313
Estimated future benefit payment in year two	516
Estimated future benefit payment in year three	780
Estimated future benefit payment in year four	984
Estimated future benefit payment in year five	1,151
Estimated future benefit payment after year five	$ 6,377