SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES (Tables)

7 Months Ended

Dec. 31, 2015

Estimated Useful Lives of Assets

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

Summary of Goodwill

A summary of goodwill is as follows (in thousands):

	Seven Months Ended December 31, 2015
	IHT			MS			Quest Integrity			Total
Balance at beginning of period	$	60,737		$	17,466		$	29,570		$	107,773
Acquisitions		148,482			2,483			—			150,965
Foreign currency adjustments		(1,722	)		(75	)		(287	)		(2,084	)
Balance at end of period	$	207,497		$	19,874		$	29,283		$	256,654

	Twelve Months Ended May 31, 2015
	IHT			MS			Quest Integrity			Total
Balance at beginning of year	$	63,249		$	19,685		$	30,829		$	113,763
Acquisitions		—			103			—			103
Foreign currency adjustments		(2,512	)		(2,322	)		(1,259	)		(6,093	)
Balance at end of year	$	60,737		$	17,466		$	29,570		$	107,773

	Twelve Months Ended May 31, 2014
	IHT			MS		Quest Integrity		Total
Balance at beginning of year	$	53,800		$	19,131	$	30,535	$	103,466
Acquisitions		10,386			—		—		10,386
Foreign currency adjustments		(937	)		554		294		(89	)
Balance at end of year	$	63,249		$	19,685	$	30,829	$	113,763

Amounts Used In Basic and Diluted Earnings Per Share

Amounts used in basic and diluted earnings per share, for all periods presented, are as follows (in thousands):

	Seven Months Ended December 31,		Twelve Months Ended May 31,
	2015		2015		2014		2013
Weighted-average number of basic shares outstanding		20,852		20,500		20,439		20,203
Stock options, stock units and performance awards		260		419		633		759
Conversion of non-controlling interest		313		732		213		204
Total shares and dilutive securities		21,425		21,651		21,285		21,166