Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Narrative (Details)

v3.20.1
STOCK-BASED COMPENSATION - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 7 Months Ended 12 Months Ended
May 23, 2019
USD ($)
shares
Sep. 28, 2019
shares
Dec. 28, 2019
USD ($)
shares
Dec. 28, 2019
USD ($)
$ / shares
shares
Dec. 28, 2019
USD ($)
$ / shares
shares
Dec. 29, 2018
USD ($)
$ / shares
Dec. 30, 2017
USD ($)
$ / shares
May 20, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Maximum number of shares authorized (in shares)               7,500,000
Shares available for future grant (in shares)     6,600,000 6,600,000 6,600,000      
Shares issued in period (in shares) 2,400,000              
Conversion ratio 2.425563              
Stock-based compensation | $         $ 23,844 $ 14,894 $ 13,021  
Total unrecognized compensation cost related to nonvested stock-based compensation | $     $ 23,100 $ 23,100 $ 23,100      
Period for recognition         1 year 6 months      
Award expiration period from grant date         10 years      
Total fair value of stock option vested | $       300        
Total intrinsic value of stock options exercised | $       $ 2,000        
Percentage adjustment     25.00% 25.00% 25.00%      
Weighted average fair value at date of grant (in USD per share) | $ / shares         $ 18.13 $ 15.40 $ 9.90  
Shares paid for tax withholding for share based compensation (in shares)     39,700          
Minimum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Payout percentage   0.00%            
Maximum                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Payout percentage   200.00%            
Stock-based compensation expense                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock-based compensation | $       $ 7,300   $ 10,900 $ 9,200  
Performance-based                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share based compensation vesting period         3 years      
Award expiration period from grant date         3 years      
Nonvested shares (in shares) 82,542   504,297 504,297 504,297      
Granted (in shares)   422,359   422,359        
Baseline profitability goal period         3 years      
Performance period, years         3 years      
Grant date fair value of each restricted units granted (in USD per share) | $ / shares       $ 32.27        
Total market value of awards outstanding | $     $ 21,400 $ 21,400 $ 21,400      
Nonperformance-based                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares (in shares) 240,111   626,876 626,876 626,876      
Granted (in shares)       378,645        
Grant date fair value of each restricted units granted (in USD per share) | $ / shares       $ 32.52        
Total market value of awards outstanding | $     $ 26,600 $ 26,600 $ 26,600      
Nonperformance-based | Non employee board of directors and employees in international jurisdiction                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares of common stock to be issued for each restricted stock unit granted (in shares)     1 1 1      
Restricted Stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares (in shares) 273,531   194,151 194,151 194,151      
Share earned in period (in shares)       85,082        
Market value of shares vested | $         $ 2,600      
Fair value of restricted stock | $     $ 8,200 $ 8,200 $ 8,200      
Restricted Stock | Management                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share based compensation vesting period         5 years      
Time Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in shares)   348,906            
Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in shares)       196,325        
Restricted Stock Units (RSUs) | Non employee board of directors and employees in international jurisdiction                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares of common stock to be issued for each restricted stock unit granted (in shares)     1 1 1      
Restricted Stock Units (RSUs) | Director                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share based compensation vesting period         1 year      
Conversion ratio     1 1 1      
Granted (in shares)   29,739            
Former Parent                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock-based compensation | $ $ 500     $ 2,200   $ 4,000 $ 3,800  
Tranche One | Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share based compensation vesting period         2 years      
Vesting rights, percentage         50.00%      
Tranche Two | Restricted Stock Units (RSUs)                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share based compensation vesting period         4 years      
Vesting rights, percentage         50.00%      
Award 2018                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average fair value at date of grant (in USD per share) | $ / shares         $ 4.61      
Award 2018 | Performance-based                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in shares)       82,542        
Award 2017                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average fair value at date of grant (in USD per share) | $ / shares         $ 2.67      
Award 2017 | Restricted Stock                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Nonvested shares (in shares) 43,786