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Goodwill and Other Intangible Assets, Net
6 Months Ended
Jun. 30, 2011
Goodwill and Other Intangible Assets, Net [Abstract]  
GOODWILL AND OTHER INTANGIBLE ASSETS, NET
3. GOODWILL AND OTHER INTANGIBLE ASSETS, NET
Goodwill
A summary of the activity and balances in goodwill accounts by operating segment is as follows (in millions):
                                         
    Balance at                     Adjustments     Balance at  
    December 31,                     to     June 30,  
    2010     Acquisitions     Divestitures     Acquisitions     2011  
Eastern
  $ 2,791.9     $ 3.6     $ (0.7 )   $ (0.5 )   $ 2,794.3  
Midwestern
    2,129.6       4.8                   2,134.4  
Southern
    2,721.8       2.4       (19.5 )     (0.4 )     2,704.3  
Western
    3,012.0             (4.3 )     (0.5 )     3,007.2  
 
                             
Total
  $ 10,655.3     $ 10.8     $ (24.5 )   $ (1.4 )   $ 10,640.2  
 
                             
                                         
    Balance at                     Adjustments     Balance at  
    December 31,                     to     June 30,  
    2009     Acquisitions     Divestitures     Acquisitions     2010  
Eastern
  $ 2,818.5     $     $     $ (1.4 )   $ 2,817.1  
Midwestern
    2,118.2                   (1.1 )     2,117.1  
Southern
    2,724.7                   (1.5 )     2,723.2  
Western
    3,005.7                   (1.7 )     3,004.0  
 
                             
Total
  $ 10,667.1     $     $     $ (5.7 )   $ 10,661.4  
 
                             
Other Intangible Assets, Net
Other intangible assets, net, include values assigned to customer relationships, franchise agreements, other municipal agreements, non-compete agreements and trade names, and are amortized over periods ranging from 2 to 23 years. A summary of the activity and balances by intangible asset type is as follows (in millions):
                                                         
    Gross Intangible Assets     Accumulated Amortization     Net  
    Balance at             Balance at     Balance at     Additions     Balance at     Intangibles at  
    December 31,             June 30,     December 31,     Charged     June 30,     June 30,  
    2010     Acquisitions     2011     2010     to Expense     2011     2011  
Customer relationships, franchise and other municipal agreements
  $ 537.1     $ 21.6     $ 558.7     $ (130.7 )   $ (31.2 )   $ (161.9 )   $ 396.8  
Trade names
    30.0             30.0       (12.5 )     (3.0 )     (15.5 )     14.5  
Non-compete agreements
    12.9       2.9       15.8       (7.2 )     (0.9 )     (8.1 )     7.7  
Other intangible assets
    62.9             62.9       (41.2 )     (1.5 )     (42.7 )     20.2  
 
                                         
Total
  $ 642.9     $ 24.5     $ 667.4     $ (191.6 )   $ (36.6 )   $ (228.2 )   $ 439.2  
 
                                         
                                                         
    Gross Intangible Assets     Accumulated Amortization     Net  
    Balance at     Adjustments     Balance at     Balance at     Additions     Balance at     Intangibles at  
    December 31,     to     June 30,     December 31,     Charged     June 30,     June 30,  
    2009     Acquisitions     2010     2009     to Expense     2010     2010  
Customer relationships, franchise and other municipal agreements
  $ 521.1     $ 0.5     $ 521.6     $ (70.5 )   $ (29.8 )   $ (100.3 )   $ 421.3  
Trade names
    30.0             30.0       (6.5 )     (3.0 )     (9.5 )     20.5  
Non-compete agreements
    7.4       0.1       7.5       (6.5 )     (0.4 )     (6.9 )     0.6  
Other intangibles assets
    62.9             62.9       (37.9 )     (1.7 )     (39.6 )     23.3  
 
                                         
Total
  $ 621.4     $ 0.6     $ 622.0     $ (121.4 )   $ (34.9 )   $ (156.3 )   $ 465.7