Comprehensive Income (Summary of Changes in Accumulated Other Comprehensive (Loss) Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, shareholders' equity			$ 5,266,695us-gaap_StockholdersEquity
Amortization of cash flow hedges	1,639	96	1,765	192
Change in fair value of cash flow hedges			(34,111)	0
Amortization of unrecognized prior service cost	1,737	1,743	3,474	3,485
Amortization of unrecognized net actuarial losses	2,993	2,492	5,986	4,983
Ending balance, shareholders' equity	5,342,960us-gaap_StockholdersEquity	5,303,790us-gaap_StockholdersEquity	5,342,960us-gaap_StockholdersEquity	5,303,790us-gaap_StockholdersEquity
Pension and Other Postretirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, shareholders' equity			(685,957)	(575,167)
Other comprehensive income before reclassification adjustments			0	0
Amortization of cash flow hedges			0
Change in fair value of cash flow hedges			0
Amortization of unrecognized prior service cost			3,474
Amortization of unrecognized net actuarial losses			5,986
Amounts reclassified from accumulated other comprehensive loss				8,468
Ending balance, shareholders' equity	(676,497)	(566,699)	(676,497)	(566,699)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, shareholders' equity			134,452	137,558
Other comprehensive income before reclassification adjustments			(163,107)	0
Amortization of cash flow hedges			0
Change in fair value of cash flow hedges			0
Amortization of unrecognized prior service cost			0
Amortization of unrecognized net actuarial losses			0
Amounts reclassified from accumulated other comprehensive loss				(8,140)
Ending balance, shareholders' equity	(28,655)	129,418	(28,655)	129,418
Interest Rate Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, shareholders' equity			(91,158)	(9,328)
Other comprehensive income before reclassification adjustments			0	0
Amortization of cash flow hedges			1,765
Change in fair value of cash flow hedges			(34,111)
Amortization of unrecognized prior service cost			0
Amortization of unrecognized net actuarial losses			0
Amounts reclassified from accumulated other comprehensive loss				192
Ending balance, shareholders' equity	(123,504)	(9,136)	(123,504)	(9,136)
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, shareholders' equity			(642,663)	(446,937)
Other comprehensive income before reclassification adjustments			(163,107)	0
Amortization of cash flow hedges			1,765
Change in fair value of cash flow hedges			(34,111)
Amortization of unrecognized prior service cost			3,474
Amortization of unrecognized net actuarial losses			5,986
Amounts reclassified from accumulated other comprehensive loss				520
Ending balance, shareholders' equity	$ (828,656)	$ (446,417)	$ (828,656)	$ (446,417)

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