Segment Reporting (Schedule Of Segment-Wise Revenues And Gross Profits) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Segment Reporting Information [Line Items]
Net Revenues	$ 170,744	[1]	$ 145,372	[1]
Gross profit	71,452		50,812
Selling, general and administrative expenses	26,946		24,623
Income from operations	44,506		26,189
Applications Outsourcing [Member]
Segment Reporting Information [Line Items]
Net Revenues	127,288		106,735
Gross profit	48,046		32,382
KPO [Member]
Segment Reporting Information [Line Items]
Net Revenues	26,420		23,543
Gross profit	16,715		12,940
E-Business [Member]
Segment Reporting Information [Line Items]
Net Revenues	13,529		12,694
Gross profit	5,260		4,594
TeamSourcing [Member]
Segment Reporting Information [Line Items]
Net Revenues	3,507		2,400
Gross profit	$ 1,431		$ 896

[1] Net revenues are attributed to regions based upon customer location.