Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation Expense

Total share-based compensation expense related to all of the Company's share-based awards for the three and six months ended June 30, 2011 and 2010 was allocated in the condensed consolidated statements of operations as follows (in thousands, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Cost of service	$	707	$	866	$	1,203	$	1,463
Selling and marketing expense	261		1,831		308		2,937
General and administrative expense	5,978		8,019		9,014		13,481
Share-based compensation expense	$	6,946	$	10,716	$	10,525	$	17,881
Share-based compensation expense per share:
Basic	$	0.09	$	0.14	$	0.14	$	0.24
Diluted	$	0.09	$	0.14	$	0.14	$	0.24