CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities:
Net income (loss)	$ 30,452	$ 45,152
Loss (income) from discontinued operations	24	462
Adjustments to reconcile net income (loss) to cash flows from operating activities:
Depreciation	114,611	113,432
Amortization (includes amortization of deferred financing costs and discounts of $4,108 and $3,553 for the three months ended March 31, 2019 and 2018, respectively)	51,980	50,699
Revenue reduction associated with amortization of customer inducements and above- and below-market leases	3,645	3,664
Stock-based compensation expense	8,519	7,384
Provision (benefit) for deferred income taxes	1,423	(387)
Loss (gain) on disposal/write-down of property, plant and equipment, net (see Note 2.l.)	(602)	1,130
Foreign currency transactions and other, net	11,707	23,530
(Increase) decrease in assets	(33,138)	(74,884)
(Decrease) increase in liabilities	(72,758)	(76,354)
Cash Flows from Operating Activities - Continuing Operations	117,067	91,568
Cash Flows from Operating Activities - Discontinued Operations	0	0
Cash Flows from Operating Activities	117,067	91,568
Cash Flows from Investing Activities:
Capital expenditures (see Liquidity and Capital Resources section of Management's Discussion & Analysis of Financial Condition and Results of Operations)	(184,765)	(95,605)
Cash paid for acquisitions, net of cash acquired	(39,423)	(1,428,974)
Acquisition of customer relationships	(23,934)	(12,602)
Customer inducements	(2,817)	(130)
Contract fulfillment costs and third-party commissions	(41,161)	(5,314)
Investments in joint ventures (see Note 9)	(19,222)	0
Proceeds from sales of property and equipment and other, net	105	(19,387)
Cash Flows from Investing Activities—Continuing Operations	(311,217)	(1,562,012)
Cash Flows from Investing Activities—Discontinued Operations	0	0
Cash Flows from Investing Activities	(311,217)	(1,562,012)
Cash Flows from Financing Activities:
Repayment of revolving credit facility, term loan facilities and other debt	(1,351,242)	(4,410,656)
Proceeds from revolving credit facility, term loan facilities and other debt	1,723,462	5,496,491
Debt repayment and equity distribution to noncontrolling interests	(498)	(561)
Parent cash dividends	(178,023)	(169,006)
Net proceeds associated with the Over-Allotment Option	0	76,192
Net proceeds associated with the At the Market (ATM) Program	0	8,716
Net (payments) proceeds associated with employee stock-based awards	(5,963)	(5,950)
Payment of debt financing and stock issuance costs	0	(9,974)
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	187,736	985,252
Cash Flows from Financing Activities—Discontinued Operations	0	0
Net Cash Provided by (Used in) Financing Activities	187,736	985,252
Effect of Exchange Rates on Cash and Cash Equivalents	2,404	1,984
Increase (Decrease) in cash and cash equivalents	(4,010)	(483,208)
Cash and cash equivalents, including Restricted Cash, beginning of period	165,485	925,699
Cash and cash equivalents, including Restricted Cash, end of period	161,475	442,491
Supplemental Information:
Cash Paid for Interest	136,667	122,027
Cash Paid for Income Taxes, Net	15,141	22,292
Non-Cash Investing and Financing Activities:
Financing Leases (see Note 2.d.)	7,523	13,877
Accrued Capital Expenditures	75,824	36,760
Accrued Purchase Price and Other Holdbacks	1,042	149
Dividends Payable	$ 180,422	$ 172,140