Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Income from continuing operations	$ 23,543	$ 17,773
Adjustments to reconcile net income from continuing operations to cash provided by (used in) operating activities:
Deferred income taxes	(8,653)	968
Depreciation	5,838	5,985
Amortization	4,271	4,947
Equity in income of nonconsolidated investments	0	(29)
Loss on sales and disposals of property, plant, and equipment	0	8
Stock-based compensation	1,842	2,910
Change in operating assets and liabilities:
Accounts receivable	12,099	(2,978)
Inventories	529	(5,001)
Other current assets	(1,527)	369
Prepaid income tax	(9,241)	(4,038)
Other noncurrent assets	(3,393)	(425)
Accounts payable	(3,739)	(4,011)
Deferred revenue	(575)	2,143
Accrued payroll and employee benefits	(4,012)	(26)
Accrued settlement	(4,000)	(6,000)
Other current liabilities	(106)	(1,271)
Other long-term liabilities	3,325	(1,013)
Net cash provided by continuing operating activities	16,201	10,311
Net cash (used in) provided by discontinued operating activities	(2,921)	2,972
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of property, plant, and equipment	12	32
Capital expenditures on property, plant, and equipment	(7,650)	(2,510)
Acquisition	(1,050)	0
Net cash used in continuing investing activities	(8,688)	(2,478)
Net cash provided by (used in) discontinued investing activities	2,278	(2,306)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of debt	(134,155)	(156,909)
Proceeds from debt	125,122	154,961
Debt issuance costs	(454)	(836)
Treasury stock acquisitions	(1,660)	(600)
Net cash used in continuing financing activities	(11,147)	(3,384)
Net cash used in discontinued financing activities	(19)	(35)
Effect of exchange rate changes on cash and cash equivalents	(571)	12
Net (decrease) increase in cash and cash equivalents	(4,867)	5,092
Cash and cash equivalents at beginning of period	14,178	10,282
Cash and cash equivalents at end of period	9,311	15,374
Supplemental disclosure of cash flow information:
Interest paid	2,453	3,599
Income taxes paid	$ 2,330	$ 6,176