Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income/(loss)	$ 90,961	$ 59,437
Less: Loss from discontinued operations, net of tax	(445)	(15,219)
Net income from continuing operations	91,406	74,180
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation and amortization	109,631	100,636
Impairment loss	58	4,888
Provision for bad debt and claim losses	6,328	10,254
Share-based compensation	26,419	22,077
Excess tax benefit related to stock options	(6,284)	(6,352)
Equity in earnings of affiliates, net of taxes	(11,931)	(10,289)
Gain on sale of property and equipment	91	13,858
Loss on early extinguishment of debt	1,589	763
Deferred income tax	(1,713)	11,172
Loss/(gain) on investments and other, net	3,494	(2,825)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(23,570)	6,515
Prepaid expenses and other current assets	3,420	1,099
Accounts payable and accrued expenses	(8,392)	(50,357)
Deferred revenue	56,373	(3,590)
Income taxes	2,072	48,854
Dividends received from investments in affiliates	26,516	32,496
Other assets and other liabilities	(14,072)	(14,920)
Net cash provided by operating activities - continuing operations	261,253	210,743
Net cash provided by operating activities - discontinued operations	(7,584)	(2,104)
Total cash provided by operating activities	253,669	208,639
Cash flows from investing activities:
Purchases of property and equipment	(30,009)	(37,122)
Purchases of capitalized data and other intangible assets	(27,706)	(25,207)
Cash paid for acquisitions, net of cash acquired	(119,346)	(672,336)
Purchases of investments	(3,748)	0
Cash Received From Sale Of Subsidiary	0	25,525
Proceeds from sale of property and equipment	94	13,937
Change in restricted cash	1,496	(1,443)
Net cash used in investing activities - continuing operations	(179,219)	(696,646)
Net cash provided by investing activities - discontinued operations	0	1,536
Total cash used in investing activities	(179,219)	(695,110)
Cash flows from financing activities:
Proceeds from long-term debt	114,375	690,017
Debt issuance costs	(6,452)	(14,042)
Repayment of long-term debt	(46,999)	(118,836)
Proceeds from issuance of stock related to stock options and employee benefit plans	19,554	5,736
Minimum tax withholdings related to net share settlements	(14,425)	(15,247)
Shares repurchased and retired	(97,430)	(72,781)
Excess tax benefit related to stock options	6,284	6,352
Net cash (used in)/provided by financing activities - continuing operations	(25,093)	481,199
Net cash provided by financing activities - discontinued operations	0	0
Total cash (used in)/provided by financing activities	(25,093)	481,199
Effect of exchange rate on cash	6,757	(144)
Net change in cash and cash equivalents	56,114	(5,416)
Cash and cash equivalents at beginning of period	104,677	134,419
Less: Change in cash and cash equivalents - discontinued operations	(7,584)	(568)
Plus: Cash swept to discontinued operations	(8,118)	(1,953)
Cash and cash equivalents at end of period	160,257	127,618
Supplemental disclosures of cash flow information:
Cash paid for interest	40,968	36,077
Cash paid for income taxes	40,946	4,488
Cash refunds from income taxes	3,559	27,153
Capital Expenditures Incurred but Not yet Paid	$ 5,353	$ 2,441