Bank indebtedness and long-term debt( Tables)

12 Months Ended

Dec. 30, 2017

Short-term Debt [Abstract]

Schedule of Line of Credit Facilities [Table Text Block]

			December 30, 2017	December 31, 2016
			$	$
Bank indebtedness:
	Global Credit Facility(1)		230,502	199,281
	Bulgarian credit facility(2)		3,588	2,213
			234,090	201,494
Long-term debt:
	Senior Secured Second Lien Notes, net of unamortized debt issuance costs
		of $7,716 (December 31, 2016 - $8,835)(3)	215,782	222,163
	Asset-backed term loan(4)		3,600	-
	Capital lease obligations(5)		5,651	7,454
	Other		3,000	1,470
			228,033	231,087
	Less: current portion		2,228	2,079
			225,805	229,008

Schedule of Maturities of Long-term Debt [Table Text Block]

Principal repayments of long-term debt are as follows:

	$
2018	2,228
2019	2,149
2020	3,822
2021	993
2022	224,530
Thereafter	2,027
Total gross repayments	235,749
Unamortized debt issuance costs	(7,716)
	228,033

Schedule Of Interest Expense And Interest Income Table [Text Block]

	December 30, 2017	December 31, 2016	January 2, 2016
	$	$	$
Interest expense	29,771	32,090	9,853
Amortization and write-off of debt issuance costs	2,825	11,301	5,895
Interest income	(92)	(116)	(79)
Interest expense, net	32,504	43,275	15,669