Shareholders' equity (Share repurchase program textuals) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended		9 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Shareholders' equity
Authorized repurchase of common stock under Share Repurchase Program	$ 1,250,000		$ 1,250,000
Shares repurchased during period (in shares)	3.7		8.1
Average market price per shares repurchased during period (in dollars per share)	$ 39.73		$ 40.88
Cost of repurchase	$ 145,700		$ 330,800
Aggregate number of shares repurchased since inception (in shares)	30.2		30.2
Aggregate cost of shares repurchased since inception	$ 1,030,000		$ 1,030,000
Remaining authorized repurchase amount	$ 221,700		$ 221,700
Cash dividends paid per common share	$ 0.17	$ 0.16	$ 0.51	$ 0.48
Dividends paid on common stock	$ 21,900		$ 66,944	$ 65,602