Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Restricted Stock Awards, Additional Information (Details)

v3.20.2
Stock-Based Compensation - Restricted Stock Awards, Additional Information (Details) - Restricted Stock Awards - USD ($)
shares in Thousands, $ in Millions
12 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards outstanding (in shares) 1,123 1,083
Total unrecognized compensation cost $ 22.9  
Weighted average vesting period 3 years  
Vesting One    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 4 years  
Vesting Two    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period   5 years