v2.4.0.6
- Other Comprehensive Income (Loss) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Other Comprehensive Income (Loss) Before Income Taxes:    
Unrealized Holding Gains (Losses) Arising During the Period Before Reclassification Adjustment $ 5.2 $ (12.9)
Reclassification Adjustment for Amounts Included in Net Income (3.9) (13.7)
Unrealized Holding Gains (Losses) 1.3 (26.6)
Foreign Currency Translation Adjustments Arising During the Period Before Reclassification Adjustment 0.7 0.4
Reclassification Adjustment for Amounts Included in Net Income 0 0
Foreign Currency Translation Adjustments 0.7 0.4
Amortization of Unrecognized Postretirement Benefit Costs 4.4 1.9
Other Comprehensive Income (Loss) Before Income Taxes 6.4 (24.3)
Income Tax Benefit (Expense):    
Unrealized Holding Gains (Losses) Arising During the Period Before Reclassification Adjustment (1.8) 4.5
Reclassification Adjustment for Amounts Included in Net Income 1.4 4.8
Unrealized Holding (Gains) Losses (0.4) 9.3
Foreign Currency Translation Adjustments Arising During the Period Before Reclassification Adjustment (0.3) (0.1)
Reclassification Adjustment for Amounts Included in Net Income 0 0
Foreign Currency Translation Adjustment (0.3) (0.1)
Amortization of Unrecognized Postretirement Benefit Costs (1.6) (0.7)
Other Comprehensive Income Tax Benefit (Expense) $ (2.3) $ 8.5