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Fair Value Measurements (Tables) | 9 Months Ended
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Feb. 28, 2013
Fair Value of Assets and Liabilities Measured On Recurring Basis | The following table sets forth, by level within the fair value hierarchy, our financial assets and liabilities that are accounted for at fair value on a recurring basis as of February 28, 2013. As required by ASC 820, financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement (in thousands):
|  | February 28, 2013 |
|  | (unaudited) |
|  | Quoted Prices in Active Markets for Identical Items (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Total |
Euro denominated long-term debt |  | $ | — |  |  | $ | 1,887 |  |  | $ | — |  |  | $ | 1,887 |
Net liabilities |  | $ | — |  |  | $ | 1,887 |  |  | $ | — |  |  | $ | 1,887 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 + Details
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