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Taxes (Tables)
12 Months Ended
Dec. 31, 2011
Taxes [Abstract]  
Schedule Of Components Of Income Tax

 

         Year Ended December 31           

 

      2011     

      2010     

      2009     

 

(In thousands)

Current:

 

 

 

Federal

$   (20,164)

$    34,304

$    21,295

State

         1,212

         2,283

            864

Total current

     (18,952)

      36,587

      22,159

Deferred:

 

 

 

Federal

      13,214

     (18,506)

     (39,492)

State

       (1,851)

           (367)

            558

Total deferred

      11,363

     (18,873)

     (38,934)

 

$     (7,589)

$    17,714

$   (16,775)

Schedule Of Effective Income Tax Rate Reconciliation

 

          Year Ended December 31           

 

      2011     

      2010     

       2009     

 

(In thousands)

Income tax expense at statutory rate

$    46,933

$     61,800

$       8,888

Percentage depletion allowance

     (61,971)

      (49,152)

      (29,463)

State taxes, net of effect of federal taxes

       (3,055)

         2,299

             (61)

Change in valuation allowance

         2,416

           (383)

            725

Other, net

         8,088

          3,150

         3,136

 

$     (7,589)

$      17,714

$    (16,775)

Schedule Of Deferred Tax Assets And Liabilities

 

           December 31          

 

      2011      

       2010     

 

(In thousands)

Deferred tax assets:

 

 

Alternative minimum tax credit carryforwards

$   151,404

$   170,592

Net operating loss carryforwards

     324,393

     102,355

Reclamation and mine closure

       93,914

       71,533

Advance royalties

              

       38,557

Plant and equipment

             

       19,846

Acquired sales contracts

       44,717

       20,120

Other, primarily accrued liabilities

     171,715

       90,412

Gross deferred tax assets

     786,143

     513,415

Valuation allowance

        (2,831)

           (737)

Total deferred tax assets

     783,312

     512,678

Deferred tax liabilities

 

 

 

 

Plant and equipment

1,566,769

            

Deferred development

           67,728

     76,690 

Investment in tax partnerships

           66,502

       68,538

Other

           17,015

       13,669

Total deferred tax liabilities

      1,718,014

     158,897

Net deferred tax asset (liability)

       (934,702)

     353,781

Current asset (liability)

           42,051

        (7,775)

Non-current deferred tax asset (liability)

$     (976,753)

$  361,556

Schedule Of Unrecognized Tax Benefits

Balance at January 1, 2009

$    4,878

Additions based on tax positions related to the current year

      1,593

Additions for tax positions of prior years

          205

Reductions for tax positions of prior years

            (6)

Balance at December 31, 2009

      6,670

Additions based on tax positions related to the current year

      1,493

Additions for tax positions of prior years

            85

Reductions for tax positions of prior years

     (3,830)

Balance at December 31, 2010

      4,418

Additions based on tax positions related to the current year

      1,626

Additions for tax positions of prior years

      2,754

Balance at December 31, 2011

$    8,798