Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Apr. 01, 2023	Dec. 31, 2022	Oct. 01, 2022	Apr. 02, 2022	Jan. 01, 2022	Oct. 02, 2021	Apr. 01, 2023	Apr. 02, 2022
Numerator:
Net income	$ 187,426	$ 243,886	$ 184,261	$ 183,417	$ 150,821	$ 111,318	$ 615,572	$ 445,556
Denominator:
Weighted average common shares for basic earnings per share	91,436			98,659			92,226	99,113
Net effect of dilutive stock based compensation awards	1,020			827			1,390	1,183
Weighted average common shares for diluted earnings per share	92,456			99,486			93,616	100,296
Basic earnings per share	$ 2.05			$ 1.86			$ 6.67	$ 4.50
Diluted earnings per share	$ 2.03			$ 1.84			$ 6.58	$ 4.44
Stock Options
Denominator:
antidilutive Securities	128			263			146	311