Fair Value Measurements - Schedule of Contractual Maturities Available-for-Sale Investments (Detail) (USD $)
In Thousands, unless otherwise specified |
Jul. 31, 2014
|
---|---|
Fair Value Disclosures [Abstract] | |
Maturity of one year or less | $ 6,038 |
Maturity between one and five years | 8,279 |
Total | $ 14,317 |
X | ||||||||||
- 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
|
X | ||||||||||
- 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
|
X | ||||||||||
- Definition
Amount of debt securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|