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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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May 31, 2014
Goodwill by Business Segment | The following table summarizes goodwill by reportable segment:
(In thousands) |  | Food Safety |  |  | Animal Safety |  |  | Total |
Balance, May 31, 2012 |  | $ | 16,696 |  |  | $ | 36,356 |  |  | $ | 53,052 |
Goodwill acquired |  |  | 0 |  |  |  | 6,439 |  |  |  | 6,439 |
Balance, May 31, 2013 |  | $ | 16,696 |  |  | $ | 42,795 |  |  | $ | 59,491 |
Goodwill acquired |  |  | 0 |  |  |  | 8,699 |  |  |  | 8,699 |
Balance, May 31, 2014 |  | $ | 16,696 |  |  | $ | 51,494 |  |  | $ | 68,190 |
Amortizable of Intangible Assets | Amortizable intangible assets consisted of the following and are included in customer based intangible and other noncurrent assets within the consolidated balance sheets:
(In thousands) |  | Gross Carrying Amount |  |  | Less Accumulated Amortization |  |  | Net Carrying Amount |
Licenses |  | $ | 6,701 |  |  | $ | 1,873 |  |  | $ | 4,828 |
Covenants not to compete |  |  | 474 |  |  |  | 256 |  |  |  | 218 |
Patents |  |  | 5,990 |  |  |  | 2,746 |  |  |  | 3,244 |
Customer relationship intangibles |  |  | 37,145 |  |  |  | 11,915 |  |  |  | 25,230 |
Other product and service related intangibles |  |  | 3,833 |  |  |  | 619 |  |  |  | 3,214 |
Balance, May 31, 2014 |  | $ | 54,143 |  |  | $ | 17,409 |  |  | $ | 36,734 |
Licenses |  | $ | 4,165 |  |  | $ | 1,409 |  |  | $ | 2,756 |
Covenants not to compete |  |  | 334 |  |  |  | 186 |  |  |  | 148 |
Patents |  |  | 5,184 |  |  |  | 2,363 |  |  |  | 2,821 |
Customer relationship intangibles |  |  | 21,791 |  |  |  | 9,446 |  |  |  | 12,345 |
Other product and service-related intangibles |  |  | 3,809 |  |  |  | 264 |  |  |  | 3,545 |
Balance, May 31, 2013 |  | $ | 35,283 |  |  | $ | 13,668 |  |  | $ | 21,615 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + 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 Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: 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 + Details
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