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6. Deferred Policy Acquisition Costs (Tables)
9 Months Ended
Sep. 30, 2012
Notes to Financial Statements  
Deferred Policy Acquisition Costs:
Deferred Policy Acquisition Costs:   Three Months Ended     Nine Months Ended  
($ in millions)   September 30,     September 30,  
    2012     2011     2012     2011  
         

As restated

and amended

         

As restated

and amended

 
Policy acquisition costs deferred   $ 18.0     $ 28.6     $ 56.2     $ 64.6  
Costs amortized to expenses:                                
  Recurring costs     (5.5     (43.3 )     (103.4 )     (134.4 )
  Assumption unlocking     (46.3 )     2.8       (46.3 )     2.8  
  Realized investment gains (losses)     (20.0 )     5.7       (14.9 )      4.6  
Off  Offsets to net unrealized investment gains or losses included in AOCI(1)     (15.1 )     (17.1 )     (66.4 )     (43.5 )
Change in deferred policy acquisition costs     (68.9 )     (23.3 )     (174.8 )     (105.9 )
De   Deferred policy acquisition costs, beginning of period     1,013.3       1,156.1       1,119.2       1,238.7  
Deferred policy acquisition costs, end of period   $ 944.4     $ 1,132.8     $ 944.4     $ 1,132.8