Stock-Based Compensation	9 Months Ended
Stock-Based Compensation	Oct. 31, 2011
Stock-Based Compensation [Abstract]
Stock-Based Compensation	2. Stock-Based Compensation We have various stock incentive plans, which allow us to issue stock options, stock appreciation rights, restricted shares, restricted stock units, performance awards and other awards. Stock-based compensation is discussed more fully in Note 12 to the Audited Consolidated Financial Statements in our Annual Report on Form 10-K for the fiscal year ended January 31, 2011. For the three months ended October 31, 2011 and 2010, we recognized approximately $0.1 million of stock-based compensation expense. For the nine months ended October 31, 2011 and 2010, we recognized approximately $0.8 million and $0.5 million, respectively, of stock-based compensation expense. These amounts include expense related to incentive stock options, non-qualified stock options, and restricted stock units. As of October 31, 2011, we had 379,621 shares available to grant as stock-based compensation awards under our various stock incentive plans.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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+ Details