v2.3.0.15
Business Segment Information (Additional Information Pertaining To Business Segments) (Details) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Capital Expenditures$ 13,790$ 13,111$ 41,300$ 44,992
Depreciation5,3465,60216,34816,392
Amortization7,0085,99820,03117,895
Private Banks [Member]
    
Capital Expenditures9,2198,45227,03227,119
Depreciation3,9134,04411,91311,796
Amortization4,7623,76713,59911,233
Investment Advisors [Member]
    
Capital Expenditures3,1462,9769,1849,752
Depreciation5526021,6991,758
Amortization1,6041,3624,5734,066
Institutional Investors [Member]
    
Capital Expenditures5086151,6402,476
Depreciation276297836864
Amortization200305563910
Investment Managers [Member]
    
Capital Expenditures6717702,5444,090
Depreciation4414671,3791,410
Amortization133204379615
Investments In New Businesses [Member]
    
Capital Expenditures146147450552
Depreciation243683109
Amortization67117191342
Total From Business Segments [Member]
    
Capital Expenditures13,69012,96040,85043,989
Depreciation5,2065,44615,91015,937
Amortization6,7665,75519,30517,166
Corporate Overhead [Member]
    
Capital Expenditures1001514501,003
Depreciation140156438455
Amortization$ 242$ 243$ 726$ 729