GOODWILL

The table below details changes in the goodwill balance:



$ in millions	Gross Book Value		Accumulated Impairment		Net Book Value
January 1, 2014	6,867.3		—		6,867.3
Foreign exchange and other	(287.9	)	—		(287.9	)
December 31, 2014	6,579.4		—		6,579.4

January 1, 2013	7,064.8		(16.6	)	7,048.2
Dispositions	(91.1	)	16.6		(74.5	)
Foreign exchange and other	(106.4	)	—		(106.4	)
December 31, 2013	6,867.3		—		6,867.3

The 2013 disposition is related to the sale of Atlantic Trust to the Canadian Imperial Bank of Commerce (CIBC) on December 31, 2013. Further information regarding the sale is detailed in Note 22, "Discontinued Operations."

The 2014 and 2013 annual impairment reviews determined that no impairment existed at the respective review dates. No interim impairment tests were deemed necessary during 2014 or 2013.