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Goodwill And Other Intangible Assets (Estimated Future Aggregate Amortization Expense Of Intangible Assets) (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Schedule Of Estimated Future Amortization Expense [Line Items]  
Remainder of 2012 $ 9,142
2013 20,966
2014 18,903
2015 16,555
2016 15,673
Thereafter 113,346
Total $ 194,585