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Concentrations of risk and segment information (Tables) | 3 Months Ended
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Mar. 31, 2015
Concentration Risk [Line Items] |
Schedule of Revenue by Geographic Region | Revenue by geographic region, based on ship-to destinations, was as follows:
| Three months ended
(in thousands) | March 31, 2015 |  | March 31, 2014
Americas | $ | 180,093 |  |  | $ | 125,166 |
Europe, Middle East and Africa (EMEA) | 139,079 |  |  | 84,174 |
Asia and Pacific area countries (APAC) | 43,937 |  |  | 26,376 |
| $ | 363,109 |  |  | $ | 235,716 |
Accounts Receivable [Member] |
Concentration Risk [Line Items] |
Schedules of Customer Concentration by Risk Factor | The Company had the following customers who represented 10% or more of its net accounts receivable balance:
| March 31, 2015 |  | December 31, 2014
A (retailer) | 16% |  | 17%
B (distributor) | 26% |  | 14%
C (retailer) | 10% |  | 11%
D (retailer) | 12% |  | *
E (distributor) | 11% |  | *
* Less than 10% of total accounts receivable for the period indicated
Sales Revenue [Member] |
Concentration Risk [Line Items] |
Schedules of Customer Concentration by Risk Factor | Customers with revenue equal to or greater than 10% of total revenue were as follows:
| Three months ended
| March 31, 2015 |  | March 31, 2014
A (retailer) | 12% |  | 13%
B (distributor) | * |  | 10%
* | Less than 10% of total revenue for the period indicated

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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