Fair Value Measurements - Schedule of Contractual Maturities Available-for-Sale Debt Securities (Detail) (USD $)
In Thousands, unless otherwise specified |
Apr. 30, 2015
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Fair Value Disclosures [Abstract] | |
Maturity of one year or less | $ 3,507us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue |
Maturity between one and five years | 8,783us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |
Total | $ 12,290us-gaap_AvailableForSaleSecuritiesDebtSecurities |
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- Definition
Fair value of available-for-sale debt securities maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value of available-for-sale debt securities maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of debt securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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