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Derivative Financial Instruments (Narrative) (Details) - Not designated as hedging instruments [Member] - Foreign currency put and call option contracts (a zero-cost collar) [Member]
$ in Millions
12 Months Ended
Jan. 01, 2022
USD ($)
Jan. 02, 2021
USD ($)
Derivative [Line Items]    
Derivative, notional amount $ 11.8  
Collar ceiling rate of Mexican pesos to US dollar 24.00  
Floor rate of Mexican pesos to US dollar 21.14  
Foreign exchange gain (loss) $ (0.3) $ 2.2