Consolidated Cash Flow Statements - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net income	$ 160,711	$ 92,853	$ 127,646
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	148,632	149,650	145,593
Impairment of assets held for sale	0	0	23,931
Share-based compensation	18,497	14,647	18,178
Loss on debt extinguishment	22,990	52,441	2,342
Deferred income tax expense (benefit)	11,300	(24,098)	(30,034)
Changes in operating assets and liabilities, net of the effects of currency exchange rate changes and acquired businesses:
Receivables	(21,748)	(24,931)	(10,115)
Inventories	(14,779)	(84,088)	2,677
Accounts payable	(29,401)	100,752	39,298
Accrued liabilities	17,238	(25,076)	(13,181)
Income taxes	(4,390)	5,001	11,722
Other assets	(18,748)	(13,255)	760
Other liabilities	(1,082)	11,404	(4,023)
Net cash provided by operating activities	289,220	255,300	314,794
Cash flows from investing activities:
Capital expenditures	(97,847)	(64,261)	(53,974)
Cash used to acquire businesses, net of cash acquired	(84,580)	(166,896)	(18,848)
Other	0	0	(827)
Proceeds from disposal of tangible assets	1,580	1,039	392
Proceeds from disposal of business	40,171	0	0
Net cash used for investing activities	(140,676)	(230,118)	(73,257)
Cash flows from financing activities:
Payments under borrowing arrangements	(484,757)	(1,105,892)	(294,375)
Payments under share repurchase program	(175,000)	(25,000)	0
Cash dividends paid	(43,169)	(43,376)	(16,079)
Debt issuance costs paid	(7,609)	(17,316)	(3,910)
Withholding tax payments for share based-payment awards	(2,094)	(6,564)	(7,480)
Redemption of stockholders' rights agreement	(411)	0	0
Proceeds from the issuance of preferred stock, net	0	0	501,498
Borrowings under credit arrangements	431,270	866,700	222,050
Net cash provided by (used for) financing activities	(281,770)	(331,448)	401,704
Effect of foreign currency exchange rate changes on cash and cash equivalents	(7,272)	19,258	(11,876)
Increase (decrease) in cash and cash equivalents	(140,498)	(287,008)	631,365
Cash and cash equivalents, beginning of period	561,108	848,116	216,751
Cash and cash equivalents, end of period	$ 420,610	$ 561,108	$ 848,116