XML 99 R84.htm IDEA: XBRL DOCUMENT v3.22.0.1
Stockholders' Equity - Stock Option Plans and Restricted Stock Units Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Apr. 01, 2014
Dec. 26, 2021
Dec. 27, 2020
Dec. 29, 2019
Jun. 30, 2020
May 31, 2017
Mar. 28, 2014
Mar. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock awards granted (in shares) 0 0            
Number of shares available for issuance (in shares)             1,550,000 2,306,256
Total number of awards outstanding (shares)               5,511,322
Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Total unrecognized stock-based compensation expense related to nonvested restricted stock units   $ 33.6            
Unrecognized stock-based compensation expense, period for recognition   1 year 8 months 12 days            
Fair value of vested awards   $ 24.7 $ 4.6 $ 3.5        
Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based incentive award vesting period   10 years            
Maximum | Stock Options and Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based incentive award vesting period   10 years            
Maximum | Stock options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based incentive award vesting period   6 years            
Award term or expiration period   10 years            
2014 Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares available for issuance (in shares)   4,154,368     4,700,000 2,500,000    
Total number of awards outstanding (shares)               5,511,322