Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Narrative (Details)

v3.21.2
STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 24, 2020
Jun. 30, 2021
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock compensation expense   $ 2.8 $ 4.5
Restricted Stock Units (RSUs) | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period     1 year
Restricted Stock Units (RSUs) | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period     3 years
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period     3 years
Management Bonuses      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock compensation expense   $ 0.4 $ 0.4
2020 Long-Term Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of common shares authorized (in shares) 9,300,000