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Concentrations of risk and segment information (Tables)

3 Months Ended

Mar. 31, 2015

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

The Company had the following customers who represented 10% or more of its net accounts receivable balance:

* Less than 10% of total accounts receivable for the period indicated

Customers with revenue equal to or greater than 10% of total revenue were as follows:


*	Less than 10% of total revenue for the period indicated

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.