XML 66 R3.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Available-for-sale cost $ 2,985.5 $ 3,095.4
Equity securities cost 373.3 291.5
Other investments cost 282.7 232.3
Short-term investments Cost $ 370.5 $ 296.4
Common shares, par value $ 1.00 $ 1.00
Common shares, shares authorized 500,000,000 500,000,000
Common shares, shares issued 31,358,135 31,285,469
Treasury shares, shares 6,248,209 4,971,305