Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 25, 2017	Mar. 26, 2016	Mar. 25, 2017	Mar. 26, 2016
Statements of Income and Comprehensive Income [Abstract]
Net income	$ 140,213	$ 139,810	$ 408,304	$ 135,136
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	349	265	(1,408)	(18)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	1,648	808	927	452
Unrealized gains (losses) on post-retirement benefits, net of tax benefit (expense)	59	172	4,965	516
Other Comprehensive Income (Loss), Net of Tax	2,056	1,245	4,484	950
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	142,269	141,055	412,788	136,086
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	349	265	(1,408)	(18)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	1,648	808	927	452
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	$ 59	$ 172	$ 4,965	$ 516