Segment Reporting

9 Months Ended

Oct. 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 October 31,				Nine months ended October 31,
	2012		2011		2012		2011
Revenues:
North America	$	125,809	$	116,256	$	356,472	$	306,650
Europe	58,937		62,555		165,532		161,394
Japan	23,602		28,793		86,766		96,193
Pacific Rim	60,412		42,904		148,719		130,046
Total revenues	$	268,760	$	250,508	$	757,489	$	694,283

For the three months ended October 31, 2012 and October 31, 2011, no single customer accounted for 10% or more of our total revenues. For the nine months ended October 31, 2012, no single customer accounted for 10% or more of our total revenues. For the nine months ended October 31, 2011, one customer accounted for 13% of our total revenues.