Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Sep. 23, 2017	Sep. 24, 2016
Statements of Income and Comprehensive Income [Abstract]
Net income	$ 154,533	$ 137,614
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	(98)	2,612
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	353	386
Unrealized gains (losses) on post-retirement benefits, net of tax benefit (expense)	44	4,847
Other Comprehensive Income (Loss), Net of Tax	299	7,845
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	154,832	145,459
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	0	(1,633)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	(120)	(122)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	$ (22)	$ (2,805)