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Composition of certain balance sheet accounts at December 31
 12 Months Ended
Dec. 31, 2011
Regulation SX Balance Sheet Disclosures [Abstract]  
Composition of certain balance sheet accounts at December 31
10.
Composition of certain balance sheet accounts at December 31

Components of Prepaid and other current assets:
 
2011
  
2010
 
Income/withholding tax receivable – current
 $18,559  $95 
Prepaid and other assets
  14,209   10,774 
Derivative assets
  3,998   2,864 
VAT receivable
  3,880   4,559 
   $40,646  $18,292 

Components of Other assets:
 
2011
  
2010
 
Investment in Mt. Holly and joint ventures
 $40,922  $37,570 
Maintenance and operating supplies – non-current
  17,887   17,986 
Cash surrender value of life insurance policies
  16,286   14,365 
Rabbi trust assets
  14,616   - 
Income tax receivables – non-current
  12,103   9,127 
Capitalized financing fees
  2,735   3,906 
   $104,549  $82,954 

Components of Accrued and other current liabilities:
 
2011
  
2010
 
Other accrued and current liabilities
 $18,838  $20,510 
Income taxes payable
  13,370   11,201 
Accrued vacation pay
  5,922   5,259 
Accrued bond interest
  2,560   2,903 
Accrued curtailment expenses
  86   1,622 
   $40,776  $41,495 
 
 

Components of Other liabilities:
 
2011
  
2010
 
E.ON contingent liability and accrued interest
 $13,958  $13,091 
Asset retirement obligations – non-current
  13,887   13,059 
Accrued workers' compensation cost – non-current
  7,210   6,985 
Other liabilities
  4,950   4,477 
   $40,005  $37,612 

Components of Accumulated Other Comprehensive Loss:
 
2011
  
2010
 
Unrealized loss on financial instruments
 $(1,040) $(415)
Defined benefit plan liabilities
  (142,259)  (64,296)
Equity in investee other comprehensive income (1)
  (8,476)  (8,223)
Other comprehensive loss before income tax effect
  (151,775)  (72,934)
Income tax effect
  17,187   22,958 
Accumulated other comprehensive loss
 $(134,588) $(49,976)


(1)
The amount includes our equity in the other comprehensive income of Mt. Holly Aluminum Company.