CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ 87,098,000	$ (26,988,000)
Loss on sale of discontinued operations, net of tax	0	89,000
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	132,737,000	131,975,000
Share-based compensation expense	20,723,000	11,751,000
(Gain) loss on divestitures and other, net	1,166,000	(2,606,000)
Impairment of intangible assets	0	109,910,000
Loss on early retirement of long-term debt	0	43,609,000
Deferred income taxes	12,532,000	(42,066,000)
Other, net	276,000	3,165,000
Changes in operating assets and liabilities, net of acquisitions:
Receivables, net	25,947,000	89,381,000
Inventories	3,406,000	(264,000)
Prepaid expenses and other assets	10,902,000	18,406,000
Accounts payable and accrued expenses	(94,706,000)	(47,715,000)
Income tax receivable/payable	3,390,000	52,234,000
Litigation settlements	(18,853,000)	(18,853,000)
Net cash provided by operating activities	184,618,000	322,028,000
Cash flows from investing activities:
Payments for property, plant and equipment	(81,305,000)	(80,629,000)
Payments for acquisitions, net of cash acquired	(157,321,000)	0
Proceeds from sale of fixed assets	13,742,000	15,822,000
Net cash used in investing activities	(224,884,000)	(64,807,000)
Cash flows from financing activities:
Repayments of debt, net	(1,178,000)	(1,028,000)
Early retirement of long-term debt	0	(476,188,000)
Premiums paid on early retirement of debt	0	(37,309,000)
Payments of financing costs	0	(16,836,000)
Proceeds from senior secured revolver	197,200,000	355,970,000
Payments for senior secured revolver	(197,200,000)	(426,271,000)
Proceeds from receivables securitization facility	525,000,000	685,000,000
Payments for receivables securitization facility	(465,000,000)	(920,000,000)
Proceeds from issuance of 2023 notes	0	700,000,000
Repurchase of common stock	(25,000,000)	(53,010,000)
Cash dividends paid	(24,681,000)	(19,784,000)
Issuance of common stock, net of share repurchases for withholding taxes	(775,000)	891,000
Tax savings on share-based compensation	678,000	186,000
Net cash provided by (used in) financing activities	9,044,000	(208,379,000)
Effect of exchange rate changes on cash and cash equivalents	(1,354,000)	(1,437,000)
Change in cash and cash equivalents	(32,576,000)	47,405,000
Cash and cash equivalents, beginning of period	60,734,000	16,362,000
Cash and cash equivalents, end of period	$ 28,158,000	$ 63,767,000