Property, Plant and Equipment

3 Months Ended

Mar. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

15.  Property, plant and equipment

As at March 31, 2016		Cost		Accumulated depreciation		Net book value
Land and improvements	$	366,245	$	(57,091)	$	309,154
Buildings		260,840		(86,215)		174,625
Yard and automotive equipment		60,222		(39,401)		20,821
Computer software and equipment		64,900		(55,458)		9,442
Office equipment		23,204		(16,457)		6,747
Leasehold improvements		21,731		(12,870)		8,861
Assets under development		6,214		-		6,214
	$	803,356	$	(267,492)	$	535,864

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