Note 8 Goodwill

The following are the changes in the carrying amount of goodwill by geographic reporting unit:



(in thousands)	Americas		EMEA			Asia Pacific			Total
Balance at December 31, 2016	$	—	$	144,971		$	36,259		$	181,230
Acquisitions and adjustments	—		31,438			41			31,479
Effect of foreign currency exchange rates	—		15,539			2,634			18,173
Balance at December 31, 2017	—		191,948			38,934			230,882
Acquisitions and adjustments	—		(331		)	—			(331		)
Effect of foreign currency exchange rates	—		(7,597		)	(1,620		)	(9,217		)
Balance at December 31, 2018	$	—	$	184,020		$	37,314		$	221,334

The effect of foreign currency exchange in this table reflects the impact on goodwill of amounts recorded in currencies other than the U.S. dollar on the financial statements of subsidiaries in these geographic areas resulting from the yearly effect of foreign currency translation between the applicable functional currency and the U.S. dollar.

For discussion on acquisitions, see Note 3. For discussion on goodwill impairment testing, see Note 2.