Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash Flows From Operating Activities
Net income (loss)	$ (5,687)	$ 8,364
Income (loss) from discontinued operations, net of income taxes	(913)	(659)
Income (loss) from continuing operations	(4,774)	9,023
Adjustments to reconcile income (loss) from continuing operations to net cash provided by (used for) operating activities
Depreciation	13,329	15,226
Amortization	6,455	6,722
Accelerated depreciation associated with restructuring activities	16	2,018
Non-cash stock-based compensation expense	3,532	2,873
(Gain) loss on disposal of fixed assets	(96)	(4,012)
Provision for loss on note receivable	23,008	0
Impairment charges	308	544
Deferred taxes	(7,666)	101
Interest income received (accrued) on note receivable	(361)	(999)
Other	211	39
Payments on performance based compensation	(1,249)	(1,010)
Other long-term liabilities	10,010	(102)
Cash flows provided by (used for) working capital
Accounts receivable	7,890	(5,820)
Inventories	2,708	(1,608)
Prepaid expenses and other current assets	(853)	1,639
Accounts payable and accrued expenses	(11,347)	15,650
Net cash provided by (used for) operating activities - continuing operations	41,121	40,284
Net cash provided by (used for) operating activities - discontinued operations	858	(4,158)
Net cash provided by (used for) operating activities	41,979	36,126
Cash Flows From Investing Activities
Capital expenditures	(3,560)	(5,109)
Proceeds from sale of property, plant and equipment	2,633	7,925
Net cash provided by (used for) investing activities - continuing operations	(927)	2,816
Net cash provided by (used for) investing activities - discontinued operations	0	131
Net cash provided by (used for) investing activities	(927)	2,947
Cash Flows From Financing Activities
Net borrowings (repayments) on credit facility	(74,557)	(31,397)
Cash dividends paid	(13,039)	(12,230)
Proceeds from issuance of common stock	2,825	2,524
Proceeds from public offering of common stock, net of equity issuance costs	79,522	0
Shares withheld for employee taxes on equity awards	(446)	(273)
Deferred financing costs	0	(1,030)
Net cash provided by (used for) financing activities - continuing operations	(5,695)	(42,406)
Net cash provided by (used for) financing activities - discontinued operations	0	0
Net cash provided by (used for) financing activities	(5,695)	(42,406)
Foreign exchange rate effect on cash	(31)	(28)
Less: Net increase (decrease) in cash classified within discontinued operations	0	(3,890)
Net increase (decrease) in cash, cash equivalents, and restricted cash	35,326	529
Cash, cash equivalents, and restricted cash at January 1	11,179	11,039
Cash, cash equivalents, and restricted cash at September 30	$ 46,505	$ 11,568