Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income/(loss)	$ 62,433	$ 13,693
Less: Loss from discontinued operations, net of tax	(329)	(10,363)
Net income from continuing operations	62,762	24,056
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	73,192	64,872
Impairment loss	58	4,222
Provision for bad debt and claim losses	5,754	6,958
Share-based compensation	18,539	15,760
Excess tax benefit related to stock options	(5,641)	(6,275)
Equity in earnings of affiliates, net of taxes	(8,434)	(6,257)
Gain on sale of property and equipment	0	24
Loss on early extinguishment of debt	1,589	763
Deferred income tax	(1,113)	3,339
Loss/(gain) on investments and other, net	1,047	(2,642)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(52,792)	7,703
Prepaid expenses and other current assets	(1,561)	1,815
Accounts payable and accrued expenses	(16,582)	(30,314)
Deferred revenue	46,724	(12,369)
Income taxes	(3,355)	44,723
Dividends received from investments in affiliates	16,488	26,052
Other assets and other liabilities	(3,548)	(14,279)
Net cash provided by operating activities - continuing operations	133,127	128,103
Net cash provided by operating activities - discontinued operations	(7,372)	7,430
Total cash provided by operating activities	125,755	135,533
Cash flows from investing activities:
Purchases of property and equipment	(21,496)	(26,296)
Purchases of capitalized data and other intangible assets	(18,707)	(16,533)
Cash paid for acquisitions, net of cash acquired		(670,036)
Purchases of investments	(2,516)	0
Proceeds from sale of property and equipment	0	36
Change in restricted cash	654	(494)
Net cash used in investing activities - continuing operations	(42,065)	(713,323)
Net cash used in investing activities - discontinued operations	0	0
Total cash used in investing activities	(42,065)	(713,323)
Cash flows from financing activities:
Proceeds from long-term debt	14,375	690,017
Debt issuance costs	(6,452)	(14,042)
Repayment of long-term debt	(36,078)	(56,550)
Proceeds from issuance of stock related to stock options and employee benefit plans	18,109	4,440
Minimum tax withholding paid on behalf of employees for restricted stock units	(12,742)	(15,034)
Shares repurchased and retired	(58,720)	(32,041)
Excess tax benefit related to stock options	5,641	6,275
Net cash (used in)/provided by financing activities - continuing operations	(75,867)	583,065
Net cash provided by financing activities - discontinued operations	0	0
Total cash (used in)/provided by financing activities	(75,867)	583,065
Effect of exchange rate on cash	1,132	903
Net increase in cash and cash equivalents	8,955	6,178
Cash and cash equivalents at beginning of period	104,677	134,419
Less: Change in cash and cash equivalents - discontinued operations	(7,372)	7,430
Plus: Cash swept (to)/from discontinued operations	(7,876)	7,057
Cash and cash equivalents at end of period	113,128	140,224
Supplemental disclosures of cash flow information:
Cash paid for interest	33,593	29,398
Cash paid for income taxes	23,659	3,067
Cash refunds from income taxes	2,816	27,110
Capital Expenditures Incurred but Not yet Paid	$ 4,262	$ 2,777