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Realized And Unrealized Investment Gains (Losses)
 12 Months Ended
Dec. 31, 2012
Realized and Unrealized Investment Gains (Losses) [Abstract]  
Realized and Unrealized Investment Gains (Losses)
Realized and Unrealized Investment Gains and Losses
Realized and unrealized investment gains and losses are as follows:
(In thousands)
2012
 
2011
 
2010
Realized investment gains and losses:
 

 
 

 
 

Fixed maturity securities:
 

 
 

 
 

Gains
$
34,295

 
$
37,595

 
$
38,204

Losses
(6,436
)
 
(5,499
)
 
(8,990
)
Equity securities available for sale
97,300

 
90,023

 
34,477

Investment funds
74,777

 
3,762

 
1,871

Other gains
1,515

 
—

 
224

Net realized gains on investments sales
201,451

 
125,881

 
65,786

 
 
 
 
 
 
Net other-than-temporary impairments:
 
 
 
 
 
  Other-than-temporary impairments
(4,984
)
 
(400
)
 
(6,802
)
  (Increase) decrease in valuation allowance
13,998

 
—

 
(2,403
)
    Net other-than-temporary impairments
9,014

 
(400
)
 
(9,205
)
 
 
 
 
 
 
  Total net investment gains
210,465

 
125,481

 
56,581

Income tax expense
(73,663
)
 
(43,834
)
 
(19,707
)
 
$
136,802

 
$
81,647

 
$
36,874


Change in unrealized gains and losses of available for sales securities:
 

 
 

 
 

Fixed maturity securities
$
162,220

 
$
209,467

 
$
102,488

Previously impaired fixed maturity securities
4,631

 
(3,604
)
 
1,362

Equity securities available for sale
(33,199
)
 
(55,772
)
 
68,178

Investment funds
1,630

 
(2,093
)
 
4,560

Total change in unrealized gains
135,282

 
147,998

 
176,588

Income tax expense
(47,966
)
 
(52,381
)
 
(61,227
)
Noncontrolling interests
(77
)
 
55

 
(8
)
 
$
87,239

 
$
95,672

 
$
115,353