Employee Stock and Savings Plans (Tables)

3 Months Ended

Apr. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

The following table summarizes stock-based compensation expense recognized:



Three months ended April 30,	2013		2012
Cost of revenues	$	460	$	319
Operating expenses:
Research and development	2,610		2,117
Marketing and selling	1,882		1,549
General and administration	1,614		1,162
Equity plan-related compensation expense	$	6,566	$	5,147

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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