Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ 23,150	$ (21,473)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	8,741	9,234
Amortization of debt discount	5,031	4,810
Amortization of deferred debt issuance costs	2,116	1,686
Amortization	27,316	27,392
Stock-based compensation	7,676	6,587
Deferred income taxes	(1,781)	(9,490)
Increase (decrease) in cash flows from changes in assets and liabilities:
Accounts receivable	7,780	43,732
Inventories	(16,693)	(13,029)
Accounts payable	2,547	(15,703)
Accrued compensation and benefits	(769)	(16,646)
Other assets	(12,289)	(3,634)
Other liabilities	3,798	(4,206)
Net cash provided by operating activities	56,623	9,260
Cash flows from investing activities:
Purchases of property, plant and equipment	(6,103)	(6,577)
Payments related to business and asset acquisitions, net of cash acquired	0	(3,852)
Net cash used in investing activities	(6,103)	(10,429)
Cash flows from financing activities:
Payments on term loan	(8,281)	(6,625)
Payments on revolving line of credit	(161,000)	(70,000)
Proceeds from revolving line of credit	139,000	108,000
Payments for Contingent Consideration	0	(2,071)
Payments related to debt issuance costs	0	(2,057)
Dividends paid on common stock	(11,588)	(11,387)
Other, net	10,902	(5,090)
Net cash provided by (used in) financing activities	(30,967)	10,770
Effect of exchange rate changes on cash and cash equivalents	(521)	(474)
Net increase in cash and cash equivalents	19,032	9,127
Cash and cash equivalents at beginning of period	27,356	25,856
Cash and cash equivalents at end of period	46,388	34,983
Non-cash investing and financing activities:
Dividends payable	$ 5,830	$ 5,712