Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows From Operating Activities
Net income	$ 8,364	$ 2,515
Income (loss) from discontinued operations, net of income tax	(52)	(257)
Income from continuing operations	8,416	2,772
Adjustments to reconcile income from continuing operations to net cash provided by (used for) operating activities
Depreciation	16,758	18,465
Amortization	6,764	7,428
Accelerated depreciation associated with restructuring activities	2,018	0
Non-cash stock-based compensation expense	2,873	2,804
(Gain) loss on disposal of fixed assets	(4,128)	383
Deferred taxes	101	(1,985)
Accrued interest income on note receivable	(983)	(948)
Impairment charges	544	9,874
Other	29	(338)
Payments on performance based compensation	(1,010)	(1,794)
Other long-term liabilities	(140)	(431)
Cash flows provided by (used for) working capital
Accounts receivable	(12,754)	1,057
Inventories	(2,490)	7,349
Prepaid expenses and other current assets	1,696	484
Accounts payable and accrued expenses	18,416	(26,520)
Net cash provided by (used for) operating activities - continuing operations	36,110	18,600
Net cash provided by (used for) operating activities - discontinued operations	0	0
Net cash provided by (used for) operating activities	36,110	18,600
Cash Flows From Investing Activities
Capital expenditures	(5,128)	(11,490)
Proceeds from sale of property, plant and equipment	8,075	194
Proceeds (payments) related to sale of business	0	(4,034)
Net cash provided by (used for) investing activities - continuing operations	2,947	(15,330)
Net cash provided by (used for) investing activities - discontinued operations	0	0
Net cash provided by (used for) investing activities	2,947	(15,330)
Cash Flows From Financing Activities
Net borrowings (repayments) on credit facility	(31,397)	4,440
Cash dividends paid	(12,230)	(12,143)
Proceeds from issuance of common stock	2,524	2,582
Excess tax benefit from stock-based compensation	0	139
Shares withheld for employee taxes on equity awards	(273)	(925)
Deferred financing costs	(1,030)	0
Net cash provided by (used for) financing activities - continuing operations	(42,406)	(5,907)
Net cash provided by (used for) financing activities - discontinued operations	0	0
Net cash provided by (used for) financing activities	(42,406)	(5,907)
Foreign exchange rate effect on cash	(28)	831
Net increase (decrease) in cash	(3,377)	(1,806)
Cash at January 1	7,888	7,344
Cash at September 30	$ 4,511	$ 5,538