Stockholders' Equity - Cash Dividends Declared and Paid (Details) - $ / shares	3 Months Ended
	Apr. 30, 2022	Jan. 29, 2022	Oct. 30, 2021	Jul. 31, 2021	Apr. 24, 2021	Jan. 23, 2021	Oct. 24, 2020	Jul. 25, 2020	Apr. 25, 2020	Jan. 25, 2020	Oct. 26, 2019	Jul. 27, 2019
Equity [Abstract]
Cash dividend paid (in usd per share)	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26	$ 0.26