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Investments (Tables)
9 Months Ended
Jul. 01, 2012
Investments [Abstract]  
Short term investments
                 
    July 1,
2012
    September 30,
2011
 

Trading:

               

Marketable equity securities

  $ 162,518     $ 262,085  

Marketable debt securities

    6,725       12,665  
   

 

 

   

 

 

 
      169,243       274,750  
   

 

 

   

 

 

 

Held-to-maturity:

               

U.S. Treasury securities

    34,747       75,638  

Certificate of deposit

    251       250  
   

 

 

   

 

 

 
      34,998       75,888  
   

 

 

   

 

 

 

Total short-term investments

  $ 204,241     $ 350,638  
   

 

 

   

 

 

 
Available-for-sale securities
                                 
    July 1, 2012  
    Amortized Cost     Gross Unrealized
Gains
    Gross Unrealized
Losses
    Fair Value and
Carrying Value
 

Available-for-sale securities

                               

Asset-backed securities

  $ 821,203     $ 6,112     $ (4,629   $ 822,686  

Commercial mortgage-backed securities

    520,806       24,185       (6,468     538,523  

Corporates

    10,442,653       576,410       (40,285     10,978,778  

Equities

    237,440       7,362       (2,538     242,264  

Hybrids

    632,001       17,189       (22,334     626,856  

Municipals

    1,110,090       137,054       (1,044     1,246,100  

Agency residential mortgage-backed securities

    163,855       4,662       (491     168,026  

Non-agency residential mortgage-backed securities

    560,696       4,177       (15,046     549,827  

U.S. Government

    127,943       11,213       —         139,156  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total available-for-sale securities

    14,616,687       788,364       (92,835     15,312,216  

Derivative investments

    145,871       39,027       (24,333     160,565  

Asset-backed loans and other invested assets

    92,424       —         —         92,424  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total investments

  $ 14,854,982     $ 827,391     $ (117,168   $ 15,565,205  
   

 

 

   

 

 

   

 

 

   

 

 

 

 

                                 
    September 30, 2011  
    Amortized Cost     Gross Unrealized
Gains
    Gross Unrealized
Losses
    Fair Value and
Carrying Value
 

Available-for-sale securities

                               

Asset-backed securities

  $ 501,469     $ 1,785     $ (2,770   $ 500,484  

Commercial mortgage-backed securities

    580,313       3,427       (18,163     565,577  

Corporates

    11,479,862       506,264       (130,352     11,855,774  

Equities

    292,112       3,964       (9,033     287,043  

Hybrids

    699,915       10,429       (51,055     659,289  

Municipals

    824,562       111,929       (7     936,484  

Agency residential mortgage-backed securities

    217,354       4,966       (295     222,025  

Non-agency residential mortgage-backed securities

    465,666       1,971       (23,120     444,517  

U.S. Government

    175,054       8,270       —         183,324  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total available-for-sale securities

    15,236,307       653,005       (234,795     15,654,517  

Derivative investments

    171,612       405       (119,682     52,335  

Other invested assets

    44,279       —         —         44,279  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total investments

  $ 15,452,198     $ 653,410     $ (354,477   $ 15,751,131  
   

 

 

   

 

 

   

 

 

   

 

 

 
Amortized cost and fair value of fixed maturity available-for-sale securities
                 
    July 1, 2012  
    Amortized Cost     Fair Value  

Corporate, Non-structured Hybrids, Municipal and U.S. Government securities:

               

Due in one year or less

  $ 883,426     $ 885,160  

Due after one year through five years

    2,425,302       2,483,897  

Due after five years through ten years

    3,491,058       3,687,917  

Due after ten years

    5,367,535       5,800,096  
   

 

 

   

 

 

 

Subtotal

    12,167,321       12,857,070  

Other securities which provide for periodic payments:

               

Asset-backed securities

    821,203       822,686  

Commercial-mortgage-backed securities

    520,806       538,523  

Structured hybrids

    145,366       133,820  

Agency residential mortgage-backed securities

    163,855       168,026  

Non-agency residential mortgage-backed securities

    560,696       549,827  
   

 

 

   

 

 

 

Total fixed maturity available-for-sale securities

  $ 14,379,247     $ 15,069,952  
   

 

 

   

 

 

 
Fair value and gross unrealized losses of available-for-sale securities
                                                 
    July 1, 2012  
    Less than 12 months     12 months or longer     Total  
    Fair Value     Gross
Unrealized

Losses
    Fair Value     Gross
Unrealized
Losses
    Fair Value     Gross
Unrealized
Losses
 

Available-for-sale securities

                                               

Asset-backed securities

  $ 372,352     $ (3,931   $ 8,346     $ (698   $ 380,698     $ (4,629

Commercial-mortgage-backed securities

    17,426       (3,120     39,478       (3,348     56,904       (6,468

Corporates

    1,237,999       (20,327     304,068       (19,958     1,542,067       (40,285

Equities

    43,755       (2,029     15,752       (509     59,507       (2,538

Hybrids

    111,544       (3,213     170,406       (19,121     281,950       (22,334

Municipals

    109,336       (930     12,410       (114     121,746       (1,044

Agency residential mortgage-backed securities

    9,499       (211     6,207       (280     15,706       (491

Non-agency residential mortgage-backed securities

    161,839       (5,082     190,638       (9,964     352,477       (15,046
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Total available-for-sale securities

  $ 2,063,750     $ (38,843   $ 747,305     $ (53,992   $ 2,811,055     $ (92,835
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Total number of available-for-sale securities in an unrealized loss position

                                            359  
                                           

 

 

 

 

                                                 
    September 30, 2011  
    Less than 12 months     12 months or longer     Total  
    Fair Value     Gross
Unrealized
Losses
    Fair Value     Gross
Unrealized

Losses
    Fair Value     Gross
Unrealized
Losses
 

Available-for-sale securities

                                               

Asset-backed securities

  $ 275,135     $ (2,770   $ —       $ —       $ 275,135     $ (2,770

Commercial-mortgage-backed securities

    338,865       (18,163     —         —         338,865       (18,163

Corporates

    3,081,556       (130,352     —         —         3,081,556       (130,352

Equities

    99,772       (9,033     —         —         99,772       (9,033

Hybrids

    450,376       (51,055     —         —         450,376       (51,055

Municipals

    1,137       (7     —         —         1,137       (7

Agency residential mortgage-backed securities

    25,820       (295     —         —         25,820       (295

Non-agency residential mortgage-backed securities

    375,349       (23,120     —         —         375,349       (23,120
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Total available-for-sale securities

  $ 4,648,010     $ (234,795   $       —       $       —       $ 4,648,010     $ (234,795
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Total number of available-for-sale securities in an unrealized loss position

                                            505  
                                           

 

 

 
Reconciliation of other than temporary impairment on fixed maturity
                                 
    Three Month Period Ended     Nine Month Period Ended  
    July 1, 2012     July 3, 2011     July 1, 2012     July 3, 2011  

Beginning balance

  $ 2,569     $       —       $ 667     $       —    

Increases attributable to credit losses on securities:

                               

Other-than-temporary impairment was previously recognized

    112       —         112       —    

Other-than-temporary impairment was not previously recognized

    —         395       1,902       395  
   

 

 

   

 

 

   

 

 

   

 

 

 

Ending balance

  $ 2,681     $ 395     $ 2,681     $ 395  
   

 

 

   

 

 

   

 

 

   

 

 

 
Other-than-temporary impairments
                                 
    Three Month Period Ended     Nine Month Period Ended  
    July 1, 2012     July 3, 2011     July 1, 2012     July 3, 2011  

Other-than-temporary impairments recognized in net income:

                               

Corporates

  $ 1,538     $ —       $ 2,234     $ —    

Non-agency residential mortgage-backed securities

    828       1,259       6,901       1,259  

Hybrids

    —         —         9,688       —    

Other invested assets

    121       —         964       —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Total other-than-temporary impairments

  $ 2,487     $ 1,259     $ 19,787     $ 1,259  
   

 

 

   

 

 

   

 

 

   

 

 

 
Net investment income
                                 
    Three Month Period Ended     Nine Month Period Ended  
    July 1, 2012     July 3, 2011     July 1, 2012     July 3, 2011  

Fixed maturity available-for-sale securities

  $ 172,741     $ 174,181     $ 530,433     $ 174,181  

Equity available-for-sale securities

    4,817       5,641       10,839       5,641  

Policy loans

    125       800       550       800  

Invested cash and short-term investments

    2,105       72       3,458       72  

Other investments

    2,409       (291     2,976       (291
   

 

 

   

 

 

   

 

 

   

 

 

 

Gross investment income

    182,197       180,403       548,256       180,403  

External investment expense

    (2,900     (3,518     (9,199     (3,518
   

 

 

   

 

 

   

 

 

   

 

 

 

Net investment income

  $ 179,297     $ 176,885     $ 539,057     $ 176,885  
   

 

 

   

 

 

   

 

 

   

 

 

 
Net Investment Gains (Losses)
                                 
    Three Month Period Ended     Nine Month Period Ended  
    July 1, 2012     July 3, 2011     July 1, 2012     July 3, 2011  

Net realized gains on fixed maturity available-for-sale securities

  $ 37,895     $ 15,137     $ 172,188     $ 15,137  

Realized gains (losses) on equity securities

    417       (105     783       (105
   

 

 

   

 

 

   

 

 

   

 

 

 

Net realized gains on securities

    38,312       15,032       172,971       15,032  
   

 

 

   

 

 

   

 

 

   

 

 

 

Realized losses on certain derivative instruments

    (26,295     (3,258     (32,001     (3,258

Unrealized gains (losses) on certain derivative instruments

    (24,839     (10,546     114,649       (10,546
   

 

 

   

 

 

   

 

 

   

 

 

 

Change in fair value of derivatives

    (51,134     (13,804     82,648       (13,804
   

 

 

   

 

 

   

 

 

   

 

 

 

Realized losses on other invested assests

    (84     —         (1,003     —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Net investment gains (losses)

  $ (12,906   $ 1,228     $ 254,616     $ 1,228  
   

 

 

   

 

 

   

 

 

   

 

 

 
Additional detail regarding investment gains (losses) on securities
                                 
    Three Month Period Ended     Nine Month Period Ended  
    July 1, 2012     July 3, 2011     July 1, 2012     July 3, 2011  

Total other-than-temporary impairments

  $ (2,406   $ (1,403   $ (21,317   $ (1,403

Less non-credit portion of other-than-temporary impairments included in other comprehensive income

    81       (144     (1,530     (144
   

 

 

   

 

 

   

 

 

   

 

 

 

Net other-than-temporary impairments

    (2,487     (1,259     (19,787     (1,259

(Losses) gains on derivative instruments

    (51,134     (13,804     82,648       (13,804

Other realized investment gains

    40,715       16,291       191,755       16,291  
   

 

 

   

 

 

   

 

 

   

 

 

 

Net investment gains (losses)

  $ (12,906   $ 1,228     $ 254,616     $ 1,228  
   

 

 

   

 

 

   

 

 

   

 

 

 
Cash flows from consolidated investing activities by security
                 
    Nine Month Period Ended  
    July 1, 2012     July 3, 2011  

Proceeds from investments sold, matured or repaid:

               

Available-for-sale

  $ 4,208,621     $ 648,243  

Held-to-maturity

    75,649       70,792  

Trading (acquired for holding)

    12,027       331,417  

Derivatives and other

    90,031       64,089  
   

 

 

   

 

 

 
    $ 4,386,328     $ 1,114,541  
   

 

 

   

 

 

 

Cost of investments acquired:

               

Available-for-sale

  $ (3,696,967   $ (730,468

Held-to-maturity

    (34,758     (52,682

Trading

    (22,924     (433,810

Derivatives and other

    (105,964     (37,527
   

 

 

   

 

 

 
    $ (3,860,613   $ (1,254,487