Shareholders' equity (Share repurchase program textuals) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		3 Months Ended		6 Months Ended
	Nov. 18, 2021	Jan. 01, 2022	Jan. 02, 2021	Jan. 01, 2022	Jan. 02, 2021
Shareholders' equity
Authorized repurchase of common stock under Share Repurchase Program		$ 2,950,000		$ 2,950,000
Shares repurchased during period (in shares)		0.9
Cost of repurchase		$ 35,300
Remaining authorized repurchase amount		$ 423,100		$ 423,100
Cash dividends paid per common share	$ 0.24	$ 0.24	$ 0.21	$ 0.48	$ 0.42
Dividends paid on common stock		$ 23,700		$ 47,642	$ 41,512