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Goodwill and Identifiable Intangible Assets (Details 2) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Remaining estimated future amortization expense  
2012 $ 67.7
2013 134.3
2014 132.6
2015 104.3
2016 98.8
2017 97.6
Thereafter 485.4
Total $ 1,120.7