Geographic Operations and Concentrations (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2013

Dec. 31, 2012

Geographic Operations and Concentrations

Schedule of geographic information regarding operations

	Three Months Ended March 31,
	2013		2012
Revenues
Americas
United States	$	56,559	$	48,971
Philippines	56,430		52,180
Canada	28,399		29,367
Others	31,822		28,180
Total Americas	173,210		158,698
EMEA	69,602		56,841
	$	242,812	$	215,539

	March 31, 2013		December 31, 2012
Total assets:
Americas	$	521,097	$	536,149
EMEA	136,205		67,879
	$	657,302	$	604,028

	Year Ended December 31,
	2012		2011		2010
Revenue:
Americas
United States	$	204,229	$	193,385	$	201,018
Philippines		207,589		188,021		161,789
Canada		109,920		126,827		121,022
Others		118,309		100,530		104,200
Total Americas	$	640,047	$	608,763	$	588,029
EMEA		220,264		238,144		212,144
Total	$	860,311	$	846,907	$	800,173

	December 31, 2012		December 31, 2011
Total assets:
Americas	$	536,149	$	545,568
EMEA		67,879		71,128
	$	604,028	$	616,696

Schedule of percentage of revenue for each of three of largest clients

	Three Months Ended March 31,
	2013		2012
Microsoft	14	%	10	%
Dell	8	%	10	%

	Year Ended December 31,
	2012			2011			2010
Microsoft		11	%		10	%		6	%
Dell		9	%		12	%		16	%
Hewlett Packard		8	%		10	%		12	%