Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2011

Share-Based Compensation [Abstract]

Schedule Of Share-Based Compensation

Income Statement Classification	Three Months Ended September 30,				Nine Months Ended September 30,
	2011		2010		2011		2010
Direct cost of revenues	$	4,111	$	5,264	$	19,932	$	15,746
Selling, general and administrative expense		3,029		2,668		8,667		7,940
Special charges(a)		—		—		833		1,932
Total share-based compensation expense	$	7,140	$	7,932	$	29,432	$	25,618

^(a)  Expense relates to accelerated recognition of compensation cost of share-based awards.