Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Numerator:
Net income	$ 692,379	$ 193,114	$ (31,081)
Denominator:
Weighted average common shares for basic earnings per share	98,662	99,258	100,474
Net effect of dilutive stock based compensation awards	1,157	910
Weighted average common shares for diluted earnings per share	99,819	100,168	100,474
Basic earnings per share	$ 7.02	$ 1.95	$ (0.31)
Diluted earnings per share	$ 6.94	$ 1.93	$ (0.31)
Stock Options
Denominator:
antidilutive Securities	230	700	1,431