Trade And Other Payables

12 Months Ended

Dec. 31, 2018

Trade And Other Payables [Abstract]

Trade And Other Payables

21.  Trade and other payables

As at December 31,	2018		2017
Trade payables	$	93,482	$	77,575
Accrued liabilities		63,666		55,332
Social security and sales taxes payable		19,390		14,693
Net consumption taxes payable		13,456		10,559
Share unit liabilities		3,714		5,407
Other payables		7,547		987
	$	201,255	$	164,553