SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES (Tables)

3 Months Ended

Aug. 31, 2015

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 roll forward of goodwill for the three months ended August 31, 2015 is as follows (in thousands):


	Three Months Ended August 31, 2015
	(unaudited)
	MS		IHT			Quest Integrity			Total
Balance at beginning of period	$	17,466	$	60,737		$	29,570		$	107,773
Acquisitions		4,060		151,732			—			155,792
Foreign currency adjustments		171		(960	)		(582	)		(1,371	)

Balance at end of period	$	21,697	$	211,509		$	28,988		$	262,194

Information regarding the acquisition of the non-controlling interest is set forth below (in thousands):


Carrying value of non-controlling interest at May 31, 2015	$	6,034
Income attributable to non-controlling interest		—
Other comprehensive income attributable to non-controlling interest		—
Purchase of non-controlling interest		(6,034	)

Carrying value of non-controlling interest at August 31, 2015	$	—

Amounts used in basic and diluted earnings per share, for the three months ended August 31, 2015 and 2014, are as follows (in thousands):


	Three Months Ended August 31,
	2015		2014
	(unaudited)		(unaudited)
Weighted-average number of basic shares outstanding		20,366		20,503
Stock options, stock units and performance awards		335		552
Conversion of non-controlling interest		728		225

Total shares and dilutive securities		21,429		21,280