XML 103 R107.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Income Taxes (Components of provision for (recovery of) income taxes) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Income Tax Disclosure [Line Items]      
Current income tax provision (recovery) $ 2,408 $ (1,595) $ (7,930)
Deferred income tax provision (recovery) 813 (3,783) (27,899)
Provision for (recovery of) income taxes 3,221 (5,378) (35,829)
Canada [Member]      
Income Tax Disclosure [Line Items]      
Current income tax provision (recovery) (1,023) (1,334) (658)
Deferred income tax provision (recovery) 33 547 642
U.S. [Member]      
Income Tax Disclosure [Line Items]      
Current income tax provision (recovery) 588 (3,655) (10,346)
Deferred income tax provision (recovery) 731 (4,226) (28,606)
Other [Member]      
Income Tax Disclosure [Line Items]      
Current income tax provision (recovery) 2,843 3,394 3,074
Deferred income tax provision (recovery) $ 49 $ (104) $ 65