CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities:
Net income	$ 50,038	$ 7,543
Plus: (Income) loss from discontinued operations, net of tax	(56,782)	1,446
(Loss) income from continuing operations	(6,744)	8,989
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	13,111	10,809
Bad debt expense	3,409	3,040
Deferred taxes	(6,141)	6,356
Excess tax benefits from share-based compensation arrangements	(23,580)	0
Other, net	(9)	0
Changes in operating assets and liabilities:
Accounts receivable	10,692	12,131
Prepaid expenses and other current assets	1,714	(4,043)
Deposits and other assets	134	214
Accounts payable and accrued expenses	(2,122)	(5,701)
Accrued compensation and employee benefits	(12,515)	(11,721)
Deferred revenue and advance payments	9,701	3,172
Other long-term liabilities	(3,600)	(811)
Net cash (used in) provided by operating activities from continuing operations	(15,950)	22,435
Net cash used in operating activities from discontinued operations	(664)	(2,586)
Net cash (used in) provided by operating activities	(16,614)	19,849
Investing activities:
Purchases of property and equipment	(8,921)	(23,266)
Purchases of short-term investments	(129,043)	0
Capitalized software development costs	(1,736)	(5,050)
Insurance proceeds	0	3,206
(Increase) decrease in restricted cash	(84)	42
Net cash used in investing activities from continuing operations	(139,784)	(25,068)
Net cash provided by (used in) investing activities from discontinued operations	99,136	(676)
Net cash used in investing activities	(40,648)	(25,744)
Financing activities:
Proceeds from sale of class A common stock under exercise of employee stock options	341	2,947
Excess tax benefits from share-based compensation arrangements	23,580	0
Payments on capital lease obligations and other financing arrangements	(324)	0
Net cash provided by financing activities from continuing operations	23,597	2,947
Net cash provided by financing activities from discontinued operations	0	0
Net cash provided by financing activities	23,597	2,947
Effect of foreign exchange rate changes on cash and cash equivalents	(2,040)	(1,146)
Net decrease in cash and cash equivalents	(35,705)	(4,094)
Cash and cash equivalents (including held-for-sale of $1,350 and $5,300, respectively), beginning of period	224,393	199,634
Cash and cash equivalents (including held-for-sale of $0 and $2,150, respectively), end of period	188,688	195,540
Supplemental disclosure of noncash investing and financing activities:
Assets acquired under capital lease obligations and other financing arrangements	$ 3,793	$ 0