XML 89 R76.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value Measurements - Changes in Level 3 Fair Value Measurements (Details) - Recurring Fair Value Measurements - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Equity securities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets $ 2.7  
Total realized/unrealized gains (losses) included in net income, assets 12.2  
Ending balance, assets 14.9  
Changes in unrealized gains (losses) included in net income relating to positions still held, assets 12.2  
Available-for-sale | Fixed maturities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 273.3 $ 517.4
Total realized/unrealized gains (losses) included in net income, assets (1.9) (3.2)
Total realized/unrealized gains (losses) included in other comprehensive income, assets 1.8 2.7
Net purchases, sales, issuances and settlements, assets (23.7) (29.5)
Transfers into Level 3, assets 3.2 5.3
Transfers out of Level 3, assets (48.0) (94.2)
Ending balance, assets 204.7 398.5
Changes in unrealized gains (losses) included in net income relating to positions still held, assets (3.1) (1.5)
Gross purchases, sales, issuances and settlements    
Purchases, assets 11.3 39.8
Sales, assets (4.2) (55.1)
Settlements, assets (30.8) (14.2)
Net purchases, sales, issuances and settlements, assets (23.7) (29.5)
Available-for-sale | Non-U.S. governments    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 7.4 62.1
Total realized/unrealized gains (losses) included in net income, assets   (0.1)
Total realized/unrealized gains (losses) included in other comprehensive income, assets (0.1) 0.3
Net purchases, sales, issuances and settlements, assets (0.3) 4.2
Ending balance, assets 7.0 66.5
Changes in unrealized gains (losses) included in net income relating to positions still held, assets   (0.1)
Gross purchases, sales, issuances and settlements    
Purchases, assets   21.8
Sales, assets   (17.3)
Settlements, assets (0.3) (0.3)
Net purchases, sales, issuances and settlements, assets (0.3) 4.2
Available-for-sale | Corporate debt securities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 128.0 259.1
Total realized/unrealized gains (losses) included in net income, assets 1.1 (1.8)
Total realized/unrealized gains (losses) included in other comprehensive income, assets 0.4 0.4
Net purchases, sales, issuances and settlements, assets 2.4 (27.0)
Transfers into Level 3, assets 0.6 4.6
Transfers out of Level 3, assets (28.7)  
Ending balance, assets 103.8 235.3
Changes in unrealized gains (losses) included in net income relating to positions still held, assets   (0.2)
Gross purchases, sales, issuances and settlements    
Purchases, assets 11.3 18.0
Sales, assets (4.2) (37.8)
Settlements, assets (4.7) (7.2)
Net purchases, sales, issuances and settlements, assets 2.4 (27.0)
Available-for-sale | Commercial mortgage-backed securities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 10.6 71.1
Total realized/unrealized gains (losses) included in net income, assets (2.5) (1.2)
Total realized/unrealized gains (losses) included in other comprehensive income, assets 0.6 2.6
Net purchases, sales, issuances and settlements, assets (0.1) (1.0)
Transfers into Level 3, assets 2.5 0.7
Transfers out of Level 3, assets   (9.5)
Ending balance, assets 11.1 62.7
Changes in unrealized gains (losses) included in net income relating to positions still held, assets (2.5) (1.2)
Gross purchases, sales, issuances and settlements    
Settlements, assets (0.1) (1.0)
Net purchases, sales, issuances and settlements, assets (0.1) (1.0)
Available-for-sale | Collateralized debt obligations    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 125.0 33.6
Total realized/unrealized gains (losses) included in net income, assets (0.6)  
Total realized/unrealized gains (losses) included in other comprehensive income, assets 1.0 (0.7)
Net purchases, sales, issuances and settlements, assets (25.5) (5.4)
Transfers into Level 3, assets 0.1  
Transfers out of Level 3, assets (19.3)  
Ending balance, assets 80.7 27.5
Changes in unrealized gains (losses) included in net income relating to positions still held, assets (0.6)  
Gross purchases, sales, issuances and settlements    
Settlements, assets (25.5) (5.4)
Net purchases, sales, issuances and settlements, assets (25.5) (5.4)
Available-for-sale | Other debt obligations    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 2.3 91.5
Total realized/unrealized gains (losses) included in net income, assets 0.1 (0.1)
Total realized/unrealized gains (losses) included in other comprehensive income, assets (0.1) 0.1
Net purchases, sales, issuances and settlements, assets (0.2) (0.3)
Transfers out of Level 3, assets   (84.7)
Ending balance, assets 2.1 6.5
Gross purchases, sales, issuances and settlements    
Settlements, assets (0.2) (0.3)
Net purchases, sales, issuances and settlements, assets (0.2) (0.3)
Available-for-sale | Equity securities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets   2.7
Ending balance, assets   2.7
Trading | Fixed maturities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets   92.9
Total realized/unrealized gains (losses) included in net income, assets   (2.4)
Net purchases, sales, issuances and settlements, assets   (92.4)
Transfers into Level 3, assets   1.9
Changes in unrealized gains (losses) included in net income relating to positions still held, assets   (2.4)
Gross purchases, sales, issuances and settlements    
Settlements, assets   (92.4)
Net purchases, sales, issuances and settlements, assets   (92.4)
Trading | Equity securities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Total realized/unrealized gains (losses) included in net income, assets   (0.1)
Transfers into Level 3, assets   0.7
Ending balance, assets   0.6
Changes in unrealized gains (losses) included in net income relating to positions still held, assets   (0.1)
Derivative assets    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 24.2 33.9
Total realized/unrealized gains (losses) included in net income, assets (6.8) (3.2)
Net purchases, sales, issuances and settlements, assets 3.1 0.1
Ending balance, assets 20.5 30.8
Changes in unrealized gains (losses) included in net income relating to positions still held, assets (6.6) (3.1)
Gross purchases, sales, issuances and settlements    
Purchases, assets 3.1 0.3
Sales, assets   (0.2)
Net purchases, sales, issuances and settlements, assets 3.1 0.1
Other investments    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 6.5 36.9
Total realized/unrealized gains (losses) included in net income, assets 1.5 1.2
Net purchases, sales, issuances and settlements, assets 1.3 0.2
Ending balance, assets 9.3 38.3
Changes in unrealized gains (losses) included in net income relating to positions still held, assets 1.5 1.2
Gross purchases, sales, issuances and settlements    
Purchases, assets 1.3 0.2
Net purchases, sales, issuances and settlements, assets 1.3 0.2
Separate account assets    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, assets 7,651.4 7,354.8
Total realized/unrealized gains (losses) included in net income, assets 164.4 163.8
Total realized/unrealized gains (losses) included in other comprehensive income, assets (0.7) (0.3)
Net purchases, sales, issuances and settlements, assets 176.8 (259.8)
Transfers out of Level 3, assets   (0.9)
Ending balance, assets 7,991.9 7,257.6
Changes in unrealized gains (losses) included in net income relating to positions still held, assets 143.4 167.7
Gross purchases, sales, issuances and settlements    
Purchases, assets 340.4 58.6
Sales, assets (104.4) (310.5)
Issuances, assets (45.5) (71.3)
Settlements, assets (13.7) 63.4
Net purchases, sales, issuances and settlements, assets 176.8 (259.8)
Investment contracts    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, liabilities (160.3) (176.5)
Total realized/unrealized gains (losses) included in net income, liabilities 63.7 52.6
Total realized/unrealized gains (losses) included in other comprehensive income, liabilities 0.2 0.1
Net purchases, sales, issuances and settlements, liabilities 0.2 4.2
Ending balance, liabilities (96.2) (119.6)
Changes in unrealized gains (losses) included in net income relating to positions still held, liabilities 63.1 51.6
Gross purchases, sales, issuances and settlements    
Issuances, liabilities (0.5) 0.2
Settlements, liabilities 0.7 4.0
Net purchases, sales, issuances and settlements, liabilities 0.2 4.2
Derivative liabilities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, liabilities (6.1) (22.6)
Total realized/unrealized gains (losses) included in net income, liabilities 1.8 4.6
Net purchases, sales, issuances and settlements, liabilities 0.6 (0.1)
Ending balance, liabilities (3.7) (18.1)
Changes in unrealized gains (losses) included in net income relating to positions still held, liabilities 1.9 3.1
Gross purchases, sales, issuances and settlements    
Purchases, liabilities   (0.2)
Sales, liabilities 0.6 0.1
Net purchases, sales, issuances and settlements, liabilities $ 0.6 (0.1)
Other liabilities    
Changes in Level 3 fair value measurements rollforward, assets and liabilities    
Beginning balance, liabilities   (59.9)
Total realized/unrealized gains (losses) included in net income, liabilities   (0.1)
Net purchases, sales, issuances and settlements, liabilities   60.0
Gross purchases, sales, issuances and settlements    
Settlements, liabilities   60.0
Net purchases, sales, issuances and settlements, liabilities   $ 60.0