CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash Flows from Operating Activities:
Net income (loss)	$ 314,485	$ 47,578
(Income) Loss from discontinued operations	938	(2,086)
Adjustments to reconcile net income (loss) to cash flows from operating activities:
Depreciation	151,117	139,914
Amortization (includes deferred financing costs and bond discount of $3,774 and $3,701, for the six months ended June 30, 2013 and 2014, respectively)	27,958	22,989
Stock-based compensation expense	14,458	13,593
Provision (Benefit) for deferred income taxes	(242,113)	20,593
(Gain) Loss on disposal/write-down of property, plant and equipment, net	(8,414)	(2,202)
Foreign currency transactions and other, net	(8,577)	39,865
Changes in Assets and Liabilities (exclusive of acquisitions):
Accounts receivable	(12,586)	(21,245)
Prepaid expenses and other	10,901	(14,734)
Accounts payable	(16,625)	6,838
Accrued expenses and deferred revenue	(44,444)	(38,338)
Other assets and long-term liabilities	8,503	183
Cash Flows from Operating Activities-Continuing Operations	195,601	212,948
Cash Flows from Operating Activities-Discontinued Operations		953
Cash Flows from Operating Activities	195,601	213,901
Cash Flows from Investing Activities:
Capital expenditures	(188,745)	(158,240)
Cash paid for acquisitions, net of cash acquired	(46,366)	(52,792)
Investment in restricted cash		(1)
Additions to customer relationship and acquisition costs	(17,210)	(8,261)
Proceeds from sales of property and equipment and other, net	17,608	2,899
Cash Flows from Investing Activities-Continuing Operations	(234,713)	(216,395)
Cash Flows from Investing Activities-Discontinued Operations		(18)
Cash Flows from Investing Activities	(234,713)	(216,413)
Cash Flows from Financing Activities:
Repayment of revolving credit and term loan facilities and other debt	(5,307,846)	(987,166)
Proceeds from revolving credit and term loan facilities and other debt	5,704,569	1,099,939
Early retirement of senior subordinated notes	(247,275)
Debt financing (repayment to) and equity contribution from (distribution to) noncontrolling interests, net	(2,083)	874
Parent cash dividends	(104,861)	(103,309)
Proceeds from exercise of stock options and employee stock purchase plan	17,818	14,897
Excess tax benefits from stock-based compensation	(66)	2,394
Payment of debt financing costs	(429)	(711)
Cash Flows from Financing Activities-Continuing Operations	59,827	26,918
Cash Flows from Financing Activities	59,827	26,918
Effect of Exchange Rates on Cash and Cash Equivalents	4,102	(8,955)
Increase (Decrease) in Cash and Cash Equivalents	24,817	15,451
Cash and Cash Equivalents, Beginning of Period	120,526	243,415
Cash and Cash Equivalents, End of Period	145,343	258,866
Supplemental Information:
Cash Paid for Interest	126,926	123,563
Cash Paid for Income Taxes	77,894	58,886
Non-Cash Investing and Financing Activities:
Capital Leases	9,138	30,097
Accrued Capital Expenditures	36,642	20,891
Dividends Payable	$ 55,057	$ 54,274