Annual report pursuant to Section 13 and 15(d)

Note 9 - Financial Instruments and Risks - Impact of Exchange Rates (Details)

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Note 9 - Financial Instruments and Risks - Impact of Exchange Rates (Details)
$ in Millions
 12 Months Ended
Dec. 30, 2018
USD ($)
10% Increase to CAD and PESO Foreign Exchange Rates [Member]  
Effect on cost of sales, change in exchange rates $ 2.2
10% Decrease to CAD and PESO Foreign Exchange Rates [Member]  
Effect on cost of sales, change in exchange rates $ (2.6)