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