Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Restricted Stock (Details)

v3.20.1
Stock-Based Compensation - Restricted Stock (Details)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 26, 2020
USD ($)
$ / shares
shares
Restricted Stock Units (RSUs) [Member]  
Restricted Stock  
Granted 108,242
Weighted average grant date fair value, grants in period | $ / shares $ 57.70
Period of vesting provision 4 years
Unrecognized compensation cost amount | $ $ 6,096
Unrecognized compensation cost period for recognition 3 years 10 months 24 days
Restricted Stock  
Restricted Stock  
Granted 367,702
Weighted average grant date fair value, grants in period | $ / shares $ 53.89
Unrecognized compensation cost amount | $ $ 20,085
Unrecognized compensation cost period for recognition 3 years 9 months 18 days
Fair Value Assumptions  
Risk free interest rate 1.21%
Expected volatility 46.50%
Expected life (in years) 2 years 10 months 2 days
Restricted Stock | Non-employee director  
Restricted Stock  
Period of vesting provision 1 year
Restricted Stock | Minimum | Executive Officer [Member]  
Restricted Stock  
Period of vesting provision 3 years
Restricted Stock | Maximum | Executive Officer [Member]  
Restricted Stock  
Period of vesting provision 4 years
Performance-Based Restricted Stock [Member]  
Restricted Stock  
Granted 160,315
Period of vesting provision 3 years
TSR Awards [Member]  
Restricted Stock  
Granted 104,456
Service-Based Restricted Stock [Member]  
Restricted Stock  
Granted 102,931