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Deferred Policy Acquisition Costs
 12 Months Ended
Dec. 31, 2013
Insurance [Abstract]  
Deferred Policy Acquisition Costs
Deferred Policy Acquisition Costs

The balances of and changes in deferred policy acquisition costs as of and for the years ended December 31, are as follows:

Deferred Policy Acquisition Costs:
Years Ended December 31,
($ in millions)
2013
 
2012
 
2011
 
 
 
 
 
 
Policy acquisition costs deferred
$
66.7

 
$
69.8

 
$
100.7

Costs amortized to expenses:
 

 
 

 
 

Recurring costs
(80.3
)
 
(102.6
)
 
(108.1
)
Assumption unlocking
1.6

 
(1.4
)
 
(1.3
)
Realized investment gains (losses)
(9.7
)
 
0.5

 
(0.1
)
Offsets to net unrealized investment gains or losses included in AOCI [1]
57.8

 
(29.2
)
 
(37.4
)
Change in deferred policy acquisition costs
36.1

 
(62.9
)
 
(46.2
)
Deferred policy acquisition costs, beginning of period
426.2

 
489.1

 
535.3

Deferred policy acquisition costs, end of period
$
462.3

 
$
426.2

 
$
489.1

———————
[1]
An offset to deferred policy acquisition costs and AOCI is recorded each period to the extent that, had unrealized holding gains or losses from securities classified as available-for-sale actually been realized, an adjustment to deferred policy acquisition costs amortized using gross profits or gross margins would result.

During the years ended December 31, 2013, 2012 and 2011, deferred expenses primarily consisted of third-party commissions related to fixed indexed annuity sales.