CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities:
Net income (loss)	$ 52,931	$ 148,648
Loss (Income) from discontinued operations	(1,515)	5,700
Loss (Gain) on sale of discontinued operations		1,885
Adjustments to reconcile net income (loss) to cash flows from operating activities:
Depreciation	210,678	210,248
Amortization (includes deferred financing costs and bond discount of $5,121 and $5,283, for the nine months ended September 30, 2012 and 2013, respectively)	33,393	31,335
Stock-based compensation expense	23,016	20,799
(Benefit) Provision for deferred income taxes	61,327	(43,254)
Loss on early extinguishment of debt, net	43,318	10,628
(Gain) Loss on disposal/write-down of property, plant and equipment, net	(2,375)	(1,515)
Foreign currency transactions and other, net	43,763	9,163
Changes in Assets and Liabilities (exclusive of acquisitions):
Accounts receivable	(37,867)	(22,379)
Prepaid expenses and other	(60,601)	(18,473)
Accounts payable	19,172	(12,618)
Accrued expenses and deferred revenue	(55,889)	(29,321)
Other assets and long-term liabilities	4,278	807
Cash Flows from Operating Activities-Continuing Operations	333,629	311,653
Cash Flows from Operating Activities-Discontinued Operations	953	(10,916)
Cash Flows from Operating Activities	334,582	300,737
Cash Flows from Investing Activities:
Capital expenditures	(204,872)	(165,462)
Cash paid for acquisitions, net of cash acquired	(122,681)	(106,221)
Investment in restricted cash	(1)	(1,502)
Additions to customer relationship and acquisition costs	(16,573)	(13,377)
Investment in joint ventures		(2,330)
Proceeds from sales of property and equipment and other, net	2,402	1,731
Cash Flows from Investing Activities-Continuing Operations	(341,725)	(287,161)
Cash Flows from Investing Activities-Discontinued Operations	(4,937)	(6,136)
Cash Flows from Investing Activities	(346,662)	(293,297)
Cash Flows from Financing Activities:
Repayment of revolving credit and term loan facilities and other debt	(3,447,542)	(2,803,476)
Proceeds from revolving credit and term loan facilities and other debt	3,445,387	2,637,534
Early retirement of senior subordinated notes	(685,134)	(525,834)
Net proceeds from sales of senior subordinated notes		985,000
Net proceeds from sales of senior notes	782,307
Debt financing (repayment to) and equity contribution from (distribution to) noncontrolling interests, net	1,066	416
Stock repurchases		(38,052)
Parent cash dividends	(155,027)	(132,307)
Proceeds from exercise of stock options and employee stock purchase plan	14,726	22,328
Excess tax benefits from stock-based compensation	2,499	309
Payment of debt financing costs	(8,087)	(2,179)
Cash Flows from Financing Activities-Continuing Operations	(49,805)	143,739
Cash Flows from Financing Activities-Discontinued Operations		(39)
Cash Flows from Financing Activities	(49,805)	143,700
Effect of Exchange Rates on Cash and Cash Equivalents	(9,499)	3,598
Increase (Decrease) in Cash and Cash Equivalents	(71,384)	154,738
Cash and Cash Equivalents, Beginning of Period	243,415	179,845
Cash and Cash Equivalents, End of Period	172,031	334,583
Supplemental Information:
Cash Paid for Interest	196,811	175,478
Cash Paid for Income Taxes	88,154	151,906
Non-Cash Investing and Financing Activities:
Capital Leases	48,909	31,715
Accrued Capital Expenditures	30,419	18,081
Dividends Payable	$ 54,705	$ 46,515