Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified				3 Months Ended	6 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended		12 Months Ended
	Jun. 30, 2013	Dec. 30, 2012	Jul. 01, 2012	Jul. 01, 2012 Interest Rate Swap 6.125% Note Due 2014 [Member]	Jul. 01, 2012 Interest Rate Swap 6.125% Note Due 2014 [Member]	Jun. 30, 2013 Notes 6.125% Due 2014 [Member]	Jul. 01, 2012 Notes 6.125% Due 2014 [Member]	Dec. 30, 2012 Notes 6.125% Due 2014 [Member]	Jun. 30, 2013 Notes 6.30% Due 2017 [Member]	Jul. 01, 2012 Notes 6.30% Due 2017 [Member]	Dec. 30, 2012 Notes 6.30% Due 2017 [Member]	Jun. 30, 2013 Debentures 6.60% Due 2028 [Member]	Jul. 01, 2012 Debentures 6.60% Due 2028 [Member]	Dec. 30, 2012 Debentures 6.60% Due 2028 [Member]	Jun. 30, 2013 Notes 6.35% Due 2040 [Member]	Jul. 01, 2012 Notes 6.35% Due 2040 [Member]	Dec. 30, 2012 Notes 6.35% Due 2040 [Member]
Debt Instrument [Line Items]
Carrying Cost	$ 1,392,353	$ 1,396,421	$ 1,399,557			$ 432,458	$ 439,662	$ 436,526	$ 350,000	$ 350,000	$ 350,000	$ 109,895	$ 109,895	$ 109,895	$ 500,000	$ 500,000	$ 500,000
Carrying Cost, Current	432,458	0	0
Carrying Cost, Non-Current	959,895	1,396,421	1,399,557
Fair Value	1,517,614	1,600,212	1,565,323			443,445	460,020	455,175	401,520	400,015	399,700	124,049	123,038	129,687	548,600	582,250	615,650
Fair Value, Current	443,445	0	0
Fair Value, Non-Current	1,074,169	1,600,212	1,565,323
Principal Amount	1,384,895	1,384,895	1,384,895			425,000	425,000	425,000	350,000	350,000	350,000	109,895	109,895	109,895	500,000	500,000	500,000
Maturity Date						2014	2014	2014	2017	2017	2017	2028	2028	2028	2040	2040	2040
Interest Rate						6.125%	6.125%	6.125%	6.30%	6.30%	6.30%	6.60%	6.60%	6.60%	6.35%	6.35%	6.35%
Adjustments included in carrying costs related to interest rate swaps						7,458	14,662	11,526
Derivative [Line Items]
Interest rate swap notional amount				400,000	400,000
Interest rate swap maturity date				2014
Fair value, interest rate swap				14,662	14,662
Loss from interest rate swap				$ 1,385	$ 1,315