Shareholders' equity (Share repurchase program textuals) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 23, 2019	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Shareholders' equity
Authorized repurchase of common stock under Share Repurchase Program		$ 2,450,000		$ 2,450,000
Shares repurchased during period (in shares)		2.8		10.2
Cost of repurchase		$ 117,200		$ 449,200
Remaining authorized repurchase amount		$ 322,900		$ 322,900
Cash dividends paid per common share	$ 0.20	$ 0.20	$ 0.19	$ 0.60	$ 0.55
Dividends paid on common stock		$ 21,500		$ 66,188	$ 66,198