Note 7. Goodwill, Net

The changes in the carrying amount of goodwill, net, for the nine months ended September 30, 2016 are as follows:


	Precision Bearing Components Group		Autocam Precision Components Group		Precision Engineered Products Group			Total
Balance as of December 31, 2015	$	9,111	$	73,992	$	366,795		$	449,898
Currency impacts		161		—		—			161
Goodwill changes from measurement period		—		—		(1,805	)		(1,805	)

Balance as of September 30, 2016	$	9,272	$	73,992	$	364,990		$	448,254

The goodwill balances are tested for impairment on an annual basis during the fourth quarter and more often if a triggering event occurs. As noted in Note 2. Acquisitions, some measurement period adjustments to goodwill were made for the PEP acquisition. As of September 30, 2016, there were no indications of impairment at the reporting units with goodwill balances.