Shareholders' equity (Share repurchase program textuals) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014	Aug. 14, 2015
Shareholders' equity
Authorized repurchase of common stock under Share Repurchase Program				$ 1,250,000
Shares repurchased during period (in shares)	9.3
Stock Repurchased And Retired During Period Price Per Share	$ 40.73
Cost of repurchase	$ 377,500
Aggregate number of shares repurchased since inception (in shares)	31.4
Aggregate cost of shares repurchased since inception	$ 1,080,000
Remaining authorized repurchase amount	$ 174,900
Cash dividends paid per common share	$ 0.68	$ 0.64	$ 0.60
Dividends paid on common stock	$ 88,594	$ 87,330	$ 82,755