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CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Preferred stock, par value $ 1 $ 1
Preferred stock, shares authorized 3,000,000 3,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 1 $ 1
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 105,563,455 105,563,455
Common stock, shares outstanding 99,629,494 104,916,994
Treasury stock, shares 5,933,961 646,461