CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income (loss)	$ (67,007)	$ 9,270
Income from discontinued operations, net of tax	0	(11,355)
Gain on sale of discontinued operations, net of tax	(1,922)	0
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	118,210	129,667
Share-based compensation expense	7,245	7,561
Non-cash facility closing and reorganization costs, net	38,862	4,740
Impairment of long-lived assets	2,232	24,970
Write-off of financing costs	0	1,080
Other operating income	(2,289)	0
Equity in (earnings) loss of unconsolidated affiliate	(5,516)	0
Deferred income taxes	(26,727)	3,227
Other, net	(2,216)	4,196
Changes in operating assets and liabilities, net of acquisitions:
Receivables, net	65,058	(3,248)
Inventories	16,565	9,704
Prepaid expenses and other assets	11,237	5,421
Accounts payable and accrued expenses	(31,928)	(85,226)
Income taxes receivable	(2,006)	5,218
Contributions to company-sponsored pension plans	0	(38,500)
Net cash provided by operating activities	119,798	66,725
Cash flows from investing activities:
Payments for property, plant and equipment	(68,680)	(61,384)
Payments for acquisitions, net of cash acquired	(13,324)	(21,596)
Proceeds from sale of fixed assets	19,083	3,112
Other investments	0	(11,000)
Net cash used in investing activities	(62,921)	(90,868)
Cash flows from financing activities:
Repayments of debt	(759)	(1,118)
Payments of financing costs	0	(1,767)
Proceeds from senior secured revolver	236,200	213,600
Payments for senior secured revolver	(247,300)	(209,900)
Proceeds from receivables securitization facility	1,810,000	1,690,000
Payments for receivables securitization facility	(1,825,000)	(1,635,000)
Proceeds from issuance of subsidiary's common stock	354	0
Cash dividends paid	(24,663)	(24,540)
Issuance of common stock, net of share repurchases for withholding taxes	(436)	(764)
Net cash provided by (used in) financing activities	(51,604)	30,511
Increase in cash and cash equivalents	5,273	6,368
Cash and cash equivalents, beginning of period	16,512	17,980
Cash and cash equivalents, end of period	$ 21,785	$ 24,348