Shareholders' equity (Share repurchase program textuals) (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	Mar. 31, 2021	Feb. 18, 2021	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020
Shareholders' equity
Authorized repurchase of common stock under Share Repurchase Program			$ 2,950,000		$ 2,950,000
Remaining authorized repurchase amount			$ 469,000		$ 469,000
Cash dividends paid per common share		$ 0.21	$ 0.21	$ 0.21	$ 0.63	$ 0.63
Dividends paid on common stock	$ 20,900				$ 62,400	$ 63,235