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Goodwill and Other Intangibles
6 Months Ended
Jun. 30, 2011
Goodwill and Other Intangibles

8. Goodwill and Other Intangibles – Changes in the carrying amount of goodwill by business unit for the three months ended March 31, 2011 and June 30, 2011 were as follows:

 

(In Millions)

   Corporate and
Institutional Services
    Personal Financial
Services
     Total  

Balance at December 31, 2010

   $ 329.5      $ 71.4       $ 400.9   
                         

Other Changes

     4.8        .1         4.9   
                         

Balance at March 31, 2011

     334.3        71.5         405.8   

Goodwill Acquired

     30.0        —           30.0   

Other Changes

     (.9     —           (.9
                         

Balance at June 30, 2011

   $ 363.4      $ 71.5       $ 434.9   
                         

Note: Amounts include the effect of foreign exchange rates on non-U.S. dollar denominated goodwill.

Other intangible assets are included in other assets in the consolidated balance sheet. The gross carrying amount and accumulated amortization of other intangible assets subject to amortization at June 30, 2011 and December 31, 2010 were as follows:

 

(In Millions)

   June 30,
2011
     December 31,
2010
 

Gross Carrying Amount

   $ 210.4       $ 164.2   

Accumulated Amortization

     117.2         111.0   
                 

Net Book Value

   $ 93.2       $ 53.2   
                 

Note: Amounts include the effect of foreign exchange rates on non-U.S. dollar denominated intangible assets.

Other intangible assets consist primarily of the value of acquired client relationships. Amortization expense related to other intangible assets totaled $2.9 million and $3.5 million for the three months ended June 30, 2011 and 2010, respectively, and totaled $6.2 million and $7.5 million for the six months ended June 30, 2011 and 2010, respectively. Amortization for the remainder of 2011 and for the years 2012, 2013, 2014, and 2015 is estimated to be $8.4 million, $16.3 million, $16.0 million, $15.9 million and $8.3 million, respectively.

On June 1, 2011, Northern Trust completed its acquisition of the fund administration, investment operations outsourcing and custody business of Bank of Ireland Securities Services (BoISS) from the Bank of Ireland Group. The purchase price, which is subject to certain post closing adjustments, totaled $84.4 million and was comprised of $71.0 million of cash and of $13.4 million of contingent consideration. Goodwill and other intangible assets associated with the acquisition totaled $30.0 million and $45.0 million, respectively.

On July 29, 2011, Northern Trust completed its acquisition of Omnium LLC, a hedge fund administrator.