Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income/(loss)	$ 29,387	$ (2,528)
Less: (Loss)/income from discontinued operations, net of tax	(111)	385
Net income/(loss) from continuing operations	29,498	(2,913)
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	35,920	29,506
Impairment loss	58	148
Provision for bad debt and claim losses	2,612	3,688
Share-based compensation	8,732	8,011
Excess tax benefit related to stock options	(4,575)	(5,942)
Equity in earnings of affiliates, net of taxes	(3,766)	(2,382)
Loss on early extinguishment of debt	0	593
Deferred income tax	1,978	44
(Gain)/loss on investments and other, net	(309)	4,351
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(12,070)	11,768
Prepaid expenses and other current assets	(3,662)	2,863
Accounts payable and accrued expenses	(19,570)	(32,264)
Deferred revenue	4,264	(8,554)
Income taxes	(2,359)	(7,856)
Dividends received from investments in affiliates	8,420	4,258
Other assets and other liabilities	(3,927)	6,525
Net cash provided by operating activities - continuing operations	41,244	11,844
Net cash provided by operating activities - discontinued operations	(1,010)	4,809
Total cash provided by operating activities	40,234	16,653
Cash flows from investing activities:
Purchases of property and equipment	(11,397)	(13,427)
Purchases of capitalized data and other intangible assets	(11,244)	(7,185)
Cash paid for acquisitions, net of cash acquired		(665,758)
Purchases of investments	(388)	0
Change in restricted cash	146	(580)
Net cash used in investing activities - continuing operations	(22,883)	(686,950)
Net cash used in investing activities - discontinued operations	0	(6)
Total cash used in investing activities	(22,883)	(686,956)
Cash flows from financing activities:
Proceeds from long-term debt	135	689,641
Debt issuance costs	0	(14,042)
Repayment of long-term debt	(35,551)	(5,154)
Proceeds from issuance of stock related to stock options and employee benefit plans	10,701	2,730
Minimum tax withholding paid on behalf of employees for restricted stock units	(11,792)	(14,314)
Shares repurchased and retired	0	(6,850)
Excess tax benefit related to stock options	4,575	5,942
Net cash used in financing activities - continuing operations	(31,932)	657,953
Net cash provided by financing activities - discontinued operations	0	0
Total cash used in financing activities	(31,932)	657,953
Effect of exchange rate on cash	67	482
Net decrease in cash and cash equivalents	(14,514)	(11,868)
Cash and cash equivalents at beginning of period	104,677	134,419
Less: Change in cash and cash equivalents - discontinued operations	(1,010)	4,803
Plus: Cash swept (to)/from discontinued operations	(1,467)	4,477
Cash and cash equivalents at end of period	89,706	122,225
Supplemental disclosures of cash flow information:
Cash paid for interest	9,834	6,845
Cash paid for income taxes	8,947	1,103
Cash refunds from income taxes	2,147	0
Capital Expenditures Incurred but Not yet Paid	$ 3,402	$ 1,967