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Stockholders' Equity - Stock Option Plans and Restricted Stock Units Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Apr. 01, 2014
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
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
Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based incentive award vesting period   10 years            
Stock Options and Restricted Stock Units | Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based incentive award vesting period   10 years            
Stock options                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Unrecognized stock-based compensation expense, period for recognition   6 months            
Stock options | Maximum                
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            
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   $ 24.9            
Unrecognized stock-based compensation expense, period for recognition   1 year 10 months 24 days            
Fair value of vested awards   $ 4.6 $ 3.5 $ 0.8        
2014 Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares available for issuance (in shares)   5,259,403     4,700,000 2,500,000    
Total number of awards outstanding (shares)               5,511,322