Segment Reporting

6 Months Ended

Jul. 31, 2012

Notes To Financial Statements [Abstract]

Segment Reporting

Segment Reporting—Our Chief Operating Decision Makers (CODMs), which consist of the Chief Executive Officer and the President, review our consolidated results within one operating segment. In making operating decisions, our CODMs primarily consider consolidated financial information accompanied by disaggregated revenue information by geographic region.

We eliminate all intercompany revenues in computing revenues by geographic regions. 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

For the three months ended July 31, 2012 and July 31, 2011, no single customer accounted for 10% or more of our total revenues. For the six months ended July 31, 2012, one customer accounted for 10% of total revenues. For the six months ended July 31, 2011, one customer accounted for 14% of our total revenues.