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Investment In Unconsolidated Affiliates (Condensed Balance Sheets of LSV) (Details) (LSV Asset Management [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
LSV Asset Management [Member]
   
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Summarized Financial Information, Current Assets $ 118,630 $ 145,367
Equity Method Investment, Summarized Financial Information, Noncurrent Assets 2,588 3,120
Equity Method Investment, Summarized Financial Information, Assets 121,218 148,487
Equity Method Investment, Summarized Financial Information, Current Liabilities 26,103 17,869
Equity Method Investment Summarized Financial Information, Equity 95,115 130,618
Equity Method Investment, Summarized Financial Information, Liabilities and Equity $ 121,218 $ 148,487