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Stock-Based Compensation (Tables)
3 Months Ended
Apr. 02, 2022
Share-based Payment Arrangement [Abstract]  
Schedule of stock option activity [Table Text Block]
          Weighted-  
          average grant-  
    PSUs     date fair value  
Non-vested, beginning of period   670,171   $ 11.77  
Granted   1,271,371     5.02  
Vested   (58,235 )   4.91  
Cancelled   (553,706 )   13.87  
Non-vested, end of period   1,329,601   $ 5.02  
Schedule of stock options granted using the Black-Scholes option pricing model [Table Text Block]
    PSUs     Stock options  
Grant-date stock price $ 5.91   $ 5.91  
Exercise price   NA   $ 5.91  
Dividend yield   0%     0%  
Expected volatility(a)   67.8%     61.6%  
Risk-free interest rate(b)   2.8%     3.0%  
Expected life (in years)(c)   2.7     6.0  

(a) Determined based on the historical volatility of the Common Shares over the performance period of the PSUs and expected life of the stock options.

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

(c) Determined based on the performance period of the PSUs and the mid-point of vesting (three years) and expiration (ten years) for the stock options.