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Goodwill And Other Intangible Assets, Net (Estimated Aggregate Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Goodwill And Other Intangible Assets, Net [Abstract]  
2013 $ 45,734
2014 43,219
2015 36,901
2016 28,106
2017 16,556
2018 and after $ 44,447