CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jan. 23, 2021	Apr. 25, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 6,901	$ 5,123
Common stock, par value, (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	600,000,000	600,000,000
Common Stock, shares, issued	96,621,000	95,947,000
Common stock, shares outstanding	96,621,000	95,947,000