Property, Plant and Equipment

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

15.  Property, plant and equipment

As at June 30, 2016		Cost		Accumulated depreciation		Net book value
Land and improvements	$	365,762	$	(58,545)	$	307,217
Buildings		260,677		(88,403)		172,274
Yard and automotive equipment		59,429		(39,665)		19,764
Computer software and equipment		66,355		(57,332)		9,023
Office equipment		23,358		(16,771)		6,587
Leasehold improvements		21,507		(13,227)		8,280
Assets under development		6,184		-		6,184
	$	803,272	$	(273,943)	$	529,329

As at December 31, 2015		Cost		Accumulated depreciation		Net book value
Land and improvements	$	356,905	$	(54,551)	$	302,354
Buildings		254,760		(82,100)		172,660
Yard and automotive equipment		59,957		(38,848)		21,109
Computer software and equipment		60,586		(50,754)		9,832
Office equipment		22,432		(15,660)		6,772
Leasehold improvements		20,893		(12,160)		8,733
Assets under development		7,131		-		7,131
	$	782,664	$	(254,073)	$	528,591