Debt, Summary of Interest Expense (Details) - 0.625% Convertible Senior Notes Due 2026 [Member] - USD ($) $ in Thousands	12 Months Ended
	Jul. 28, 2023	Jul. 29, 2022
Interest Expense [Abstract]
Interest rate effective percentage	1.23%
Coupon interest	$ 1,896	$ 1,896
Amortization of issuance costs	1,730	1,755
Total interest expense	$ 3,626	$ 3,651