Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of supplemental cash flow information

The following table presents additional supplemental cash flow information for the three months ended March 31, 2020 and 2019 (in thousands):

	FOR THE THREE MONTHS ENDED MARCH 31,
SUPPLEMENTAL CASH FLOW INFORMATION:	2020			2019
Interest paid	$	712		$	2,370
Income taxes paid, including foreign withholding taxes	2,228			3,196
Non-cash investing and financing activities:
Dividend payable	10,762			11,195
Increases in noncontrolling interests	—			2,500
Accrued capitalized patent costs and property and equipment	(1,288		)	(1,056		)