XML 94 R51.htm IDEA: XBRL DOCUMENT v2.4.0.6
Investments (Details 11) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Changes in mortgage loan valuation allowance          
Beginning balance, Mortgage loan valuation allowance $ 86.2 $ 114.3 $ 102.1 $ 121.1  
Provision: Mortgage loan valuation allowance 22.9 7.8 46.5 34.8  
Charge-offs: Mortgage loan valuation allowance (14.1) (11.8) (55.6) (47.2)  
Recoveries: Mortgage loan valuation allowance 0.6 1.1 2.6 2.7  
Effect of exchange rates: Mortgage loan valuation allowance 0.1 (0.2) 0.1 (0.2)  
Ending balance, Mortgage loan valuation allowance 95.7 111.2 95.7 111.2  
Individually evaluated for impairment, Mortgage loan valuation allowance 12.6 7.9 12.6 7.9  
Collectively evaluated for impairment, Mortgage loan valuation allowance 83.1 103.3 83.1 103.3  
Individually evaluated for impairment, Mortgage loans 64.0 44.9 64.0 44.9  
Collectively evaluated for impairment, Mortgage loans 11,329.6 10,926.7 11,329.6 10,926.7  
Mortgage loans, Total amortized cost 11,393.6 10,971.6 11,393.6 10,971.6 10,829.3
Commercial mortgage loans
         
Mortgage loan valuation allowance disclosures          
Mortgage loans, Days delinquent to be analyzed for valuation allowance     60 days    
Changes in mortgage loan valuation allowance          
Beginning balance, Mortgage loan valuation allowance 49.3 75.6 64.8 80.6  
Provision: Mortgage loan valuation allowance 3.9 0.4 14.3 13.5  
Charge-offs: Mortgage loan valuation allowance (0.8) (4.2) (26.7) (22.4)  
Recoveries: Mortgage loan valuation allowance       0.1  
Ending balance, Mortgage loan valuation allowance 52.4 71.8 52.4 71.8  
Individually evaluated for impairment, Mortgage loan valuation allowance 4.8 4.1 4.8 4.1  
Collectively evaluated for impairment, Mortgage loan valuation allowance 47.6 67.7 47.6 67.7  
Individually evaluated for impairment, Mortgage loans 28.7 19.1 28.7 19.1  
Collectively evaluated for impairment, Mortgage loans 9,959.4 9,557.1 9,959.4 9,557.1  
Mortgage loans, Total amortized cost 9,988.1 9,576.2 9,988.1 9,576.2 9,461.4
Residential mortgage loans
         
Changes in mortgage loan valuation allowance          
Beginning balance, Mortgage loan valuation allowance 36.9 38.7 37.3 40.5  
Provision: Mortgage loan valuation allowance 19.0 7.4 32.2 21.3  
Charge-offs: Mortgage loan valuation allowance (13.3) (7.6) (28.9) (24.8)  
Recoveries: Mortgage loan valuation allowance 0.6 1.1 2.6 2.6  
Effect of exchange rates: Mortgage loan valuation allowance 0.1 (0.2) 0.1 (0.2)  
Ending balance, Mortgage loan valuation allowance 43.3 39.4 43.3 39.4  
Individually evaluated for impairment, Mortgage loan valuation allowance 7.8 3.8 7.8 3.8  
Collectively evaluated for impairment, Mortgage loan valuation allowance 35.5 35.6 35.5 35.6  
Individually evaluated for impairment, Mortgage loans 35.3 25.8 35.3 25.8  
Collectively evaluated for impairment, Mortgage loans 1,370.2 1,369.6 1,370.2 1,369.6  
Mortgage loans, Total amortized cost $ 1,405.5 $ 1,395.4 $ 1,405.5 $ 1,395.4 $ 1,367.9