CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
OPERATING ACTIVITIES:
Net (loss) income	$ (46,566)	$ 188,998
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Stock-based compensation expense	17,262	16,671
Depreciation	88,658	94,079
Intangible amortization	88,475	102,311
Deferred income taxes	(156,191)	20,579
Asset impairment charges and loss on disposal of assets held for sale	28,075	4
Other, net	1,208	977
Changes in operating assets and liabilities, net of effect of acquisitions and divestitures:
Accounts receivable	17,112	(26,825)
Prepaid expenses	(6,691)	(5,251)
Accounts payable	(7,900)	681
Accrued liabilities	364,082	6,141
Other assets and liabilities	4,519	19,403
Net Cash Provided by Operating Activities	392,043	417,768
INVESTING ACTIVITIES:
Capital expenditures	(91,730)	(100,981)
Payments for acquisitions, net of cash acquired	(23,812)	(51,197)
Proceeds from sale of property and equipment	607	1,316
Proceeds from sale of business	1,170
Proceeds from insurance settlement		2,358
Other	(2)	7
Net Cash Used in Investing Activities	(113,767)	(148,497)
FINANCING ACTIVITIES:
Repayments of long-term debt and other obligations	(46,391)	(52,462)
Proceeds from foreign bank debt	2,542	68,711
Repayments of foreign bank debt	(19,013)	(68,211)
Repayment of term loan	(100,000)	(250,000)
Proceeds from senior credit facility	1,269,329	1,205,270
Repayments of senior credit facility	(1,336,503)	(1,118,831)
Proceeds from bank overdrafts, net	18,190
Payments of capital lease obligations	(2,691)	(4,644)
Payments of deferred financing costs	(2,712)	(605)
Payments for repurchase of common stock		(40,814)
Proceeds from issuance of common stock	4,997	35,727
Payments for repurchase of convertible preferred stock	(30,832)	(24,263)
Dividends paid on mandatory convertible preferred stock	(27,506)	(29,853)
Payments to noncontrolling interests	(709)	(6,961)
Net Cash Used in Financing Activities	(271,299)	(286,936)
Effect of exchange rate changes on cash and cash equivalents	1,005	2,322
Net change in cash and cash equivalents	7,982	(15,343)
Cash and cash equivalents at beginning of period	44,189	55,634
Cash and Cash Equivalents at End of Period	52,171	40,291
NON-CASH ACTIVITIES:
Issuances of obligations for acquisitions	$ 7,849	$ 31,394