v2.4.0.8
Long-term debt (Tables)
9 Months Ended
Sep. 28, 2013
Debt Disclosure [Abstract]  
Schedule Of Line Of Credit Facilities And Long Term Debt [Table Text Block]
    September 28, 2013December 29, 2012
    $$
Bank indebtedness:  
 North American credit facilities(1) 69,131 75,700
 European credit facilities(2) 54,734 44,611
 Opta Minerals revolving term credit facility(3) 15,506 10,750
     139,371 131,061
      
Long-term debt:  
 Opta Minerals non-revolving term credit facility(3) 44,982 50,315
 Lease obligations(4) 6,651 7,219
 Other 398 664
     52,031 58,198
Less: current portion 46,466 6,925
     5,565 51,273