XML 24 R8.htm IDEA: XBRL DOCUMENT v3.21.2
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
12 Months Ended
Apr. 30, 2021
Apr. 24, 2020
Apr. 26, 2019
Statement Of Stockholders Equity [Abstract]      
Cash dividends declared, per common share $ 1.92 $ 1.92 $ 1.60