Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Schedule of Contractual Maturities Available-for-Sale Debt Securities (Detail)

v3.7.0.1
Fair Value Measurements - Schedule of Contractual Maturities Available-for-Sale Debt Securities (Detail)
$ in Thousands
Jan. 31, 2017
USD ($)
Fair Value Disclosures [Abstract]  
Maturity of one year or less $ 5,253
Maturity between one and five years 4,991
Total $ 10,244