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Summary of Significant Accounting Policies and Practices (Tables) | 9 Months Ended
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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 |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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 Reference 4: 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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