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Fair Value Measurements (Tables) | 3 Months Ended
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Oct. 31, 2015
Fair Value Disclosures [Abstract] |
Financial Assets and Liabilities Accounted for at Fair Value on a Recurring Basis |
| Inputs Considered As |  |  |  |
| Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Fair Values |  | Balance Sheet Classifications
October 31, 2015 |  |  |  |  |  |  |
Trading securities | $ | 13,945 |  |  | $ | — |  |  | $ | 13,945 |  |  | Other assets
Foreign exchange contracts | — |  |  | 629 |  |  | 629 |  |  | Prepaid expenses and other current assets
Total Assets | $ | 13,945 |  |  | $ | 629 |  |  | $ | 14,574 |  |  |
Foreign exchange contracts | $ | — |  |  | $ | 1,265 |  |  | $ | 1,265 |  |  | Other current liabilities
Total Liabilities | $ | — |  |  | $ | 1,265 |  |  | $ | 1,265 |  |  |
July 31, 2015 |  |  |  |  |  |  |
Trading securities | $ | 15,356 |  |  | $ | — |  |  | $ | 15,356 |  |  | Other assets
Foreign exchange contracts | — |  |  | 685 |  |  | 685 |  |  | Prepaid expenses and other current assets
Total Assets | $ | 15,356 |  |  | $ | 685 |  |  | $ | 16,041 |  |  |
Foreign exchange contracts | $ | — |  |  | $ | 1,280 |  |  | $ | 1,280 |  |  | Other current liabilities
Total Liabilities | $ | — |  |  | $ | 1,280 |  |  | $ | 1,280 |  |  |

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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=36462937&loc=d3e19190-110258 + Details
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