notes to consolidated financial statements 2014 ( continued ) ( amounts in millions , except per share amounts ) litigation settlement 2014 during may 2008 , the sec concluded its investigation that began in 2002 into our financial reporting practices , resulting in a settlement charge of $ 12.0 .
investment impairments 2014 in 2007 we realized an other-than-temporary charge of $ 5.8 relating to a $ 12.5 investment in auction rate securities , representing our total investment in auction rate securities .
for additional information see note 15 .
note 6 : intangible assets goodwill goodwill is the excess purchase price remaining from an acquisition after an allocation of purchase price has been made to identifiable assets acquired and liabilities assumed based on estimated fair values .
the changes in the carrying value of goodwill by segment for the years ended december 31 , 2008 and 2007 are as follows: .

IAN
CMG
Total
Balance as of December 31, 2006
$2,632.5
$435.3
$3,067.8
Current year acquisitions
86.0
—
86.0
Contingent and deferred payments for prior acquisitions
4.7
3.7
8.4
Amounts allocated to business dispositions
(5.7)
—
(5.7)
Other (primarily foreign currency translation)
72.2
2.9
75.1
Balance as of December 31, 2007
2,789.7
441.9
3,231.6
Current year acquisitions
99.5
1.8
101.3
Contingent and deferred payments for prior acquisitions
28.9
1.1
30.0
Amounts allocated to business dispositions
(0.4)
—
(0.4)
Other (primarily foreign currency translation)
(127.7)
(13.9)
(141.6)
Balance as of December 31, 2008
$2,790.0
$430.9
$3,220.9

during the latter part of the fourth quarter of 2008 our stock price declined significantly after our annual impairment review as of october 1 , 2008 , and our market capitalization was less than our book value as of december 31 , 2008 .
we considered whether there were any events or circumstances indicative of a triggering event and determined that the decline in stock price during the fourth quarter was an event that would 201cmore likely than not 201d reduce the fair value of our individual reporting units below their book value , requiring us to perform an interim impairment test for goodwill at the reporting unit level .
based on the interim impairment test conducted , we concluded that there was no impairment of our goodwill as of december 31 , 2008 .
we will continue to monitor our stock price as it relates to the reconciliation of our market capitalization and the fair values of our individual reporting units throughout 2009 .
during our annual impairment reviews as of october 1 , 2006 our discounted future operating cash flow projections at one of our domestic advertising reporting units indicated that the implied fair value of the goodwill at this reporting unit was less than its book value , primarily due to client losses , resulting in a goodwill impairment charge of $ 27.2 in 2006 in our ian segment .
other intangible assets included in other intangible assets are assets with indefinite lives not subject to amortization and assets with definite lives subject to amortization .
other intangible assets include non-compete agreements , license costs , trade names and customer lists .
intangible assets with definitive lives subject to amortization are amortized on a .

Question: Analyse this data from a financial earnings document. what was the percentage change in total goodwill carrying value from 2006 to 2007?
Choices:
0.05339
3231.65339
-28.73684
0.00034
0.00005
Correct choice index: 0