Segment Reporting (Tables)

6 Months Ended

Jul. 31, 2012

Notes To Financial Statements [Abstract]

Revenues related to operations in the geographic regions were:



	Three months ended July 31,				Six months ended July 31,
	2012		2011		2012		2011
Revenues:
North America	$	101,553	$	100,071	$	230,663	$	190,394
Europe	53,964		46,642		106,595		98,839
Japan	38,181		25,766		63,164		67,400
Pacific Rim	47,113		41,261		88,307		87,142
Total revenues	$	240,811	$	213,740	$	488,729	$	443,775

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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