Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Sep. 24, 2016	Sep. 26, 2015
Statements of Income and Comprehensive Income [Abstract]
Net income	$ 137,614	$ (72,143)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	2,612	76
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	386	(614)
Unrealized gains (losses) on post-retirement benefits, net of tax benefit (expense)	4,847	172
Other Comprehensive Income (Loss), Net of Tax	7,845	(366)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	145,459	(72,509)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	(1,633)	0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	(122)	192
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	$ (2,805)	$ (80)