Public Offering

3 Months Ended

Apr. 30, 2015

Stockholders' Equity Note [Abstract]

Public Offering

Note 2 – Public Offering

In June 2014, the Company sold 3,450,000 shares of its common stock, including 450,000 shares sold pursuant to the exercise in full of the underwriters’ option to purchase additional shares, at a public offering price of $38.82 per share. The Company received net proceeds of $128.7 million from the offering after payment of underwriting discounts and expenses of the offering. The net proceeds are being used for general corporate purposes.