Segment Reporting

12 Months Ended

Jan. 31, 2016

Segment Reporting [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 areas were:

Year ended January 31,	2016		2015		2014
Revenues:
United States	$	488,148	$	542,229	$	497,954
Europe	254,827		255,943		241,417
Japan	87,119		87,725		113,796
Pacific Rim	335,833		341,474		287,956
Other	15,061		16,762		15,250
Total revenues	$	1,180,988	$	1,244,133	$	1,156,373

For the year ended January 31, 2015, revenue from Korea was $135,696, or 10.9% of total revenue. This revenue is included in the Pacific Rim region in the table above.

For the years ended January 31, 2016, 2015 and 2014, no single customer accounted for 10% of our total revenues.

Property, plant and equipment, net, related to operations in the geographic areas were:

As of January 31,	2016		2015
Property, plant, and equipment, net:
United States	$	133,432	$	127,631
Europe	33,070		31,751
Japan	2,220		882
Pacific Rim	13,191		10,295
Other	179		178
Total property, plant and equipment, net	$	182,092	$	170,737