SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES (Tables)

6 Months Ended

Jun. 30, 2016

Depreciation and amortization of assets are computed by the straight-line method over the following estimated useful lives of the assets:



Classification	Useful Life
Buildings	20-40 years
Leasehold improvements	2-15 years
Machinery and equipment	2-12 years
Furniture and fixtures	2-10 years
Computers and computer software	2-5 years
Automobiles	2-5 years

A summary of property, plant and equipment as of June 30, 2016 and December 31, 2015 is as follows (in thousands):



	June 30, 2016			December 31, 2015
	(unaudited)
Land	$	7,445		$	3,124
Buildings and leasehold improvements	41,533			29,690
Machinery and equipment	236,122			174,222
Furniture and fixtures	8,172			6,561
Capitalized ERP system development costs	35,207			25,606
Computers and computer software	11,641			8,062
Automobiles	5,763			5,280
Construction in progress	9,480			5,177
Total	355,363			257,722
Accumulated depreciation and amortization	(149,071		)	(132,739		)
Property, plant and equipment, net	$	206,292		$	124,983

A rollforward of goodwill for the six months ended June 30, 2016 is as follows (in thousands):



	Six Months Ended June 30, 2016
	(unaudited)
	TeamQualspec		TeamFurmanite		Quest Integrity		Total
Balance at beginning of period	$	207,497	$	19,874	$	29,283	$	256,654
Acquisitions	5,955		93,903		4,137		103,995
Foreign currency adjustments	917		159		236		1,312
Balance at end of period	$	214,369	$	113,936	$	33,656	$	361,961

Amounts used in basic and diluted earnings per share, for the three and six months ended June 30, 2016 and 2015, are as follows (in thousands):



	Three Months Ended June 30,		Six Months Ended June 30,
	2016	2015	2016	2015
	(unaudited)	(unaudited)	(unaudited)	(unaudited)
Weighted-average number of basic shares outstanding	29,452	20,296	26,738	20,366
Stock options, stock units and performance awards	76	315	70	324
Conversion of non-controlling interest	—	728	—	728
Total shares and dilutive securities	29,528	21,339	26,808	21,418