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Plant and equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Plant and equipment

Plant and equipment

December 31, 2015		Cost				Accumulated Depreciation				Net Book Value
Owned assets
Heavy equipment		$	144,754			$	46,292			$	98,462
Major component parts in use		117,042				61,464				55,578
Other equipment		39,727				19,580				20,147
Licensed motor vehicles		17,362				15,388				1,974
Office and computer equipment		9,743				8,643				1,100
Buildings		2,724				2,618				106
		331,352				153,985				177,367
Assets under capital lease
Heavy equipment		105,580				29,738				75,842
Other equipment		1,851				484				1,367
Licensed motor vehicles		8,344				4,186				4,158
Office and computer equipment		23				5				18
		115,798				34,413				81,385
Total plant and equipment		$	447,150			$	188,398			$	258,752

December 31, 2014		Cost				Accumulated Depreciation				Net Book Value
Owned assets
Heavy equipment		$	142,052			$	42,292			$	99,760
Major component parts in use		112,645				55,895				56,750
Other equipment		41,739				18,758				22,981
Licensed motor vehicles		24,247				20,763				3,484
Office and computer equipment		9,355				8,216				1,139
Buildings		2,791				2,606				185
		332,829				148,530				184,299
Assets under capital lease
Heavy equipment		91,519				21,275				70,244
Other equipment		1,945				291				1,654
Licensed motor vehicles		8,142				3,441				4,701
		101,606				25,007				76,599
Total plant and equipment		$	434,435			$	173,537			$	260,898

During the year ended December 31, 2015, additions to plant and equipment included $20,058 of assets that were acquired by means of capital leases (2014 – $39,492). Depreciation of equipment under capital lease of $14,027 (2014 – $12,108; 2013 - $6,694) was included in depreciation expense in the current year.

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- References

No definition available.

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- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13-14)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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