XML 97 R84.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stockholders' Equity and Stock-Based Compensation Non-Vested Stock, Restricted Stock Unit and Performance Share Unit Awards (Details) - shares
12 Months Ended
Jan. 25, 2019
Jan. 29, 2018
Feb. 06, 2017
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Performance Shares [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Annual vesting after initial cliff       33.33%    
Shares granted (in shares) 305,195 295,514 559,388 305,195 295,514 559,388
Performance period two       3 years    
Stock Awards [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares granted (in shares)       0 0 104,750
Shares vested (in shares)       (126,511) (228,991) (486,086)
Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common stock equivalent (in shares)       1