Summary of Significant Accounting Policies and Practices (Tables)

9 Months Ended

Feb. 28, 2013

Property, Plant and Equipment

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

Goodwill

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

	Nine Months Ended February 28, 2013
	(unaudited)
	TCM Division		TMS Division			Total
Balance at May 31, 2012	$	75,131	$	19,871		$	95,002
Acquisition and purchase price adjustments		9,950		(1,222	)		8,728
Foreign currency adjustments		492		565			1,057
Balance at February 28, 2013	$	85,573	$	19,214		$	104,787

Earnings Per Share

Amounts used in basic and diluted earnings per share, for the three and nine months ended February 28, 2013 and February 29, 2012, are as follows (in thousands):

	Three Months Ended				Nine Months Ended
	(unaudited)				(unaudited)
	February 28, 2013		February 29, 2012		February 28, 2013		February 29, 2012
Weighted-average number of basic shares outstanding		20,387		19,733		20,104		19,610
Stock options, stock units and performance awards		753		792		770		757
Assumed conversion of non-controlling interest		171		203		204		233
Total shares and dilutive securities		21,311		20,728		21,078		20,600