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Finance costs
12 Months Ended
Dec. 31, 2018
Finance Costs [Abstract]  
Finance costs

19. Finance costs

20182017
Interest on long-term debt$73,039$73,211
Unwinding of discount on provisions [note 15]23,68122,020
Other charges15,05915,377
Total$111,779$110,608

No borrowing costs were determined to be eligible for capitalization during the year.