Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 8,791	$ 7,956
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	14,993	15,242
Amortization	28,069	25,968
Stock-based compensation	6,340	6,505
Deferred income taxes	(5,129)	(3,977)
Gain on sale of facility	0	(1,890)
Loss on early extinguishment of debt	0	254
Increase in cash flows from changes in assets and liabilities, net of acquired assets:
Accounts receivable	6,210	11,335
Inventories	(12,062)	(866)
Accounts payable	7,801	(3,420)
Accrued compensation and benefits	(5,151)	(3,702)
Other assets	(17,917)	(24,317)
Other liabilities	12,809	(2,900)
Total operating	35,963	18,232
Net cash provided by operating activities	44,754	26,188
Cash flows from investing activities:
Purchases of property, plant and equipment	(9,232)	(10,436)
Proceeds from sale of a facility	0	5,178
Payments related to business acquisitions and asset acquisitions, net of cash acquired	(15,194)	(256,450)
Net cash used in investing activities	(24,426)	(261,708)
Cash flows from financing activities:
Payments on term loan	(6,563)	(6,564)
Proceeds from term loan	0	175,000
Payments on revolving line of credit	(98,000)	(130,346)
Proceeds from revolving line of credit	115,000	192,000
Payments related to distribution agreement	0	(16,667)
Payment for Contingent Consideration Liability, Financing Activities	0	(200)
Payments related to debt issuance costs	0	(5,556)
Dividends paid on common stock	(16,722)	(16,649)
Other, net	(887)	(1,149)
Net cash provided by (used in) financing activities	(7,172)	189,869
Effect of exchange rate changes on cash and cash equivalents	3,450	95
Net increase (decrease) in cash and cash equivalents	16,606	(45,556)
Cash and cash equivalents at beginning of period	27,428	72,504
Cash and cash equivalents at end of period	44,034	26,948
Non-cash financing activities:
Dividends payable	$ 5,585	$ 5,561