XML 79 R78.htm IDEA: XBRL DOCUMENT v3.20.1
Stock-Based Compensation - SARs (Details) - SARs
12 Months Ended
Apr. 25, 2020
USD ($)
$ / shares
shares
Stock-Based Compensation  
Term of award 10 years
Unrecognized compensation cost | $ $ 0
Fiscal 2013 Grant  
Stock-Based Compensation  
SARs outstanding (in shares) | shares 7,149
Intrinsic value per share (in dollars per share) | $ / shares $ 9.10
Fiscal 2014 Grant  
Stock-Based Compensation  
SARs outstanding (in shares) | shares 13,869
Intrinsic value per share (in dollars per share) | $ / shares $ 2.01