v3.24.0.1
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Non-Vested PSU Activity [Table Text Block]
          Weighted-  
          average grant-  
    TSR PSUs     date fair value  
Non-vested, beginning of year   594,873   $ 10.07  
Granted   405,212     7.00  
Vested   -     -  
Forfeited   (443,405 )   8.61  
Non-vested, end of year   556,680   $ 9.00  
Stock Options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Stock Option Activity [Table Text Block]
                Weighted-        
                average        
          Weighted-     remaining        
          average     contractual     Aggregate  
    Stock options     exercise price     term (years)     intrinsic value  
Outstanding, beginning of year   3,920,600   $ 5.51              
Granted   534,657     6.29              
Exercised   (310,167 )   2.79              
Forfeited   (771,987 )   6.53              
Expired   (25,000 )   7.36              
Outstanding, end of year   3,348,103   $ 5.63     6.5   $ 2,318  
Exercisable, end of year   2,125,112   $ 5.33     5.2   $ 2,318  
          Weighted-  
          average grant-  
    Stock options     date fair value  
Non-vested, beginning of year   1,965,839   $ 3.63  
Granted   534,657     3.87  
Vested   (786,033 )   3.64  
Forfeited   (491,472 )   3.79  
Non-vested, end of year   1,222,991   $ 3.67  
Schedule of Stock Options Granted using the Black-Scholes Option Pricing Model [Table Text Block]
    December 30, 2023     December 31, 2022     January 1, 2022  
Grant-date stock price $ 6.29   $ 5.91   $ 14.77  
Dividend yield(a)   0%     0%     0%  
Expected volatility(b)   63.5%     61.6%     61.7%  
Risk-free interest rate(c)   4.1%     3.0%     1.0%  
Expected life of options (years)(d)   6.0     6.0     6.0  

(a)   Determined based on expected annual dividend yield at the time of grant.

(b)   Determined based on historical volatility of the Company's Common Shares over the expected life of the option.

(c)  Determined based on the yield on U.S. Treasury zero-coupon issues with maturity dates equal to the expected life of the option.

(d)  Determined based on the mid-point of vesting (one through three years) and expiration (10 years). The Company has used the simplified method to determine the expected life of options due to insufficient historical exercise data to provide a reasonable basis to estimate the expected life.
Schedule of Share-based Compensation Arrangements by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]
                    Weighted-                    
                    average                    
              remaining     Weighted-           Weighted-  
  Exercise price range     Outstanding     contractual life     average exercise     Exercisable     average exercise  
  Low     High     options     (years)     price     options     price  
$ 3.25   $ 3.73     1,016,553     5.2   $ 3.35     1,016,553   $ 3.35  
  3.74     5.69     278,998     5.1     4.87     242,640     4.78  
  5.70     6.13     1,402,892     8.0     5.91     505,767     5.91  
  6.14     9.48     327,235     8.2     6.51     62,005     7.19  
  9.49     14.77     322,425     3.3     11.40     298,147     11.12  
              3,348,103     6.5   $ 5.63     2,125,112   $ 5.33  
Restricted Stock Units ("RSUs") [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
          Weighted-  
          average grant-  
    RSUs     date fair value  
Non-vested, beginning of year   659,649   $ 7.14  
Granted   443,247     5.88  
Vested   (380,577 )   6.57  
Forfeited   (122,595 )   7.14  
Non-vested, end of year   599,724   $ 6.58  
Performance Share Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Stock Options Granted using the Black-Scholes Option Pricing Model [Table Text Block]
    December 30, 2023     December 31, 2022     January 1, 2022  
Grant-date stock price $ 6.35   $ 5.91   $ 14.77  
Dividend yield   0%     0%     0%  
Expected volatility(a)   55.5%     67.8%     76.9%  
Risk-free interest rate(b)   4.7%     2.8%     0.3%  
Expected life (in years)(c)   2.5     2.7     2.7  

(a) Determined based on the historical volatility of the Common Shares over the performance period of the PSUs.

(b) Determined based on U.S. Treasury yields with a remaining term equal to the performance period of the PSUs.

(c) Determined based on the performance period of the PSUs.
Schedule of Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
          Weighted-  
          average grant-  
    EBITDA PSUs     date fair value  
Non-vested, beginning of year   2,355,431   $ 4.80  
Granted   1,137,057     6.96  
Vested   (2,299,700 )   4.78  
Cancelled or forfeited   (191,892 )   6.55  
Non-vested, end of year   1,000,896   $ 6.95