Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (14,623)	$ 13,686
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	13,617	14,225
Amortization of debt discount	7,239	6,038
Amortization of deferred debt issuance costs	2,697	2,535
Amortization	40,973	38,837
Stock-based compensation	10,119	8,819
Impairment charges	0	312
Deferred income taxes	(786)	(5,506)
Loss on early extinguishment of debt	0	300
Increase (decrease) in cash flows from changes in assets and liabilities:
Accounts receivable	21,574	10,756
Inventories	(19,396)	(15,645)
Accounts payable	1,477	(10,104)
Accrued compensation and benefits	(8,864)	1,728
Other assets	(6,013)	(13,202)
Other liabilities	(3,628)	1,478
Adjustments to Reconcile Net Income (Loss) to Cash Provided by Operating Activities	59,009	40,571
Net cash provided by operating activities	44,386	54,257
Cash flows from investing activities:
Proceeds from sale of a facility	3,227	0
Purchases of property, plant and equipment	(9,864)	(13,875)
Payments related to business and asset acquisitions, net of cash acquired	(3,852)	(364,928)
Net cash used in investing activities	(10,489)	(378,803)
Cash flows from financing activities:
Payments on term loan	(9,938)	(151,000)
Proceeds from term loan	0	265,000
Payments on revolving line of credit	(142,000)	(435,000)
Proceeds from revolving line of credit	152,000	370,000
Proceeds from convertible notes	0	345,000
Payments related to contingent consideration	(2,071)	(5,687)
Payments related to debt issuance costs	(2,057)	(16,210)
Dividends paid on common stock	(17,099)	(16,927)
Purchases of convertible notes hedges	0	(51,198)
Proceeds from issuance of warrants	0	30,567
Other, net	(3,730)	3,310
Net cash provided by (used in) financing activities	(24,895)	337,855
Effect of exchange rate changes on cash and cash equivalents	740	(752)
Net increase in cash and cash equivalents	9,742	12,557
Cash and cash equivalents at beginning of period	25,856	17,511
Cash and cash equivalents at end of period	35,598	30,068
Non-cash investing and financing activities:
Dividends payable	$ 5,720	$ 5,673