XML 40 R61.htm IDEA: XBRL DOCUMENT v2.4.0.6
Debt (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Debt Instrument [Line Items]      
Debt $ 271,285 $ 314,919  
Principal payments for the next five years and thereafter [Abstract]      
2012 0    
2013 0    
2014 0    
2015 252,207    
Total 252,207    
Convertible senior notes due 2024 [Member]
     
Debt Instrument [Line Items]      
Interest rate (in hundredths) 1.75%    
Principal payments for the next five years and thereafter [Abstract]      
Aggregate principal amount outstanding 0 45,483  
Maturity date Aug. 31, 2024    
Senior secured notes due May 15, 2014 [Member]
     
Debt Instrument [Line Items]      
Interest rate (in hundredths) 8.00%    
Principal payments for the next five years and thereafter [Abstract]      
Aggregate principal amount outstanding 246,909 245,927  
Maturity date May 15, 2014    
Senior unsecured notes due August 15, 2014 [Member]
     
Debt Instrument [Line Items]      
Interest rate (in hundredths) 7.50%    
Principal payments for the next five years and thereafter [Abstract]      
Aggregate principal amount outstanding 2,603 2,603  
Maturity date Aug. 15, 2014    
Line of Credit [Member]
     
Principal payments for the next five years and thereafter [Abstract]      
Maximum amount of debt available to borrow 100,000    
Letter of credit sub-facility included in the credit facility 50,000    
Borrowing availability on the credit facility 57,473    
Net of outstanding letters of credit under the credit facility 41,451    
Interest Rates and Fees Any amounts outstanding under the Credit Facility will bear interest, at our option, at LIBOR or a base rate, plus, in each case, an applicable interest margin. The applicable interest margin is determined based on the average daily availability for the immediately preceding quarter. For amounts outstanding under the revolving credit facility, the applicable interest margin ranges from 2.50 to 3.00 over the LIBOR rate and 1.50 under to 2.00 over the base rate.    
Line of credit facility interest rate margin added to LIBOR, minimum (in hundredths) 2.50%    
Line of credit facility interest rate margin added to LIBOR, maximum (in hundredths) 3.00%    
Line of credit facility interest rate margin deducted from base rate, maximum (in hundredths) 1.50%    
Line of credit facility interest rate margin added to base rate, maximum (in hundredths) 2.00%    
Commitment fee 0.50%    
Standby letters of credit commitment fee with 100% supported by cash collateral (in hundredths) 0.75%    
Standby letters of credit commitment fee with less than 100% supported by cash collateral (in hundredths) 2.50%    
Maturity date Jul. 01, 2014    
Current [Member] | Convertible senior notes due 2024 [Member]
     
Debt Instrument [Line Items]      
Debt 0 [1] 45,483 [1]  
Net of debt discount 0 1,584  
Interest rate (in hundredths) 1.75% 1.75%  
Interest expense on the convertible senior notes [Abstract]      
Contractual interest coupon 316 823 2,585
Amortization of the debt discount on the liability component 874 2,244 6,969
Total 1,190 3,067 9,554
Effective interest rate for the liability component for the period 6.74% 6.52% 6.34%
Current [Member] | Industrial revenue bonds due 2028 [Member]
     
Debt Instrument [Line Items]      
Debt 7,815 [1] 7,815 [1]  
Interest rate (in hundredths) 0.35%    
Variable interest rates, maximum (in hundredths) 12.00% 12.00%  
Principal payments for the next five years and thereafter [Abstract]      
Maturity date Apr. 01, 2028    
Long-Term [Member] | Senior secured notes due May 15, 2014 [Member]
     
Debt Instrument [Line Items]      
Debt 246,909 245,927  
Net of debt discount 2,695 3,677  
Interest rate (in hundredths) 8.00% 8.00%  
Principal payments for the next five years and thereafter [Abstract]      
2012 0    
2013 0    
2014 0    
2015 249,604    
Total 249,604    
Proceeds from issuance of debt 249,604    
Maturity date May 15, 2014    
Redemptions rights as a percentage of price (in hundredths) 104.00%    
After a change of control, required offer to purchase price percentage of principal outstanding (in hundredths) 101.00%    
Redemption price will decline to (in hundredths) 102.00%    
Date redemption price will decline May 15, 2012    
Redemption price will decline after May 15, 2013 (in hundredths) 100.00%    
Date redemption price will decline to 100% May 15, 2013    
Percentage of equity interests in foreign subsidiaries held for collateral (in hundredths) 65.00%    
Long-Term [Member] | Senior unsecured notes due August 15, 2014 [Member]
     
Debt Instrument [Line Items]      
Debt 2,603 2,603  
Interest rate (in hundredths) 7.50% 7.50%  
Principal payments for the next five years and thereafter [Abstract]      
2012 0    
2013 0    
2014 0    
2015 2,603    
Total 2,603    
Proceeds from issuance of debt 250,000    
Issuance date of debt instrument Aug. 01, 2004    
Maturity date Aug. 15, 2014    
Redemptions rights as a percentage of price (in hundredths) 101.50%    
After a change of control, required offer to purchase price percentage of principal outstanding (in hundredths) 101.00%    
Long-Term [Member] | Contingent obligation [Member]
     
Debt Instrument [Line Items]      
Debt $ 13,958 $ 13,091 [2]  
Interest rate (in hundredths) 10.94% 10.94%  
Maximum time period to pay principal and interest (in months) 72 72  
Principal payments for the next five years and thereafter [Abstract]      
Maturity date Dec. 31, 2028    
[1] The convertible notes are classified as current because they are convertible at any time by the holder. The IRBs are classified as current liabilities because they are remarketed weekly and could be required to be repaid upon demand if there is a failed remarketing. The IRB interest rate at December 31, 2010 was 0.64%.
[2] E.ON contingent obligation principal and interest payments are payable based on CAKY's operating level and the LME price for primary aluminum. When both conditions are satisfied, we are obligated to pay principal and interest, in up to 72 monthly payments, to E.ON. Interest accrues monthly at an annual rate of 10.94%. The E.ON contingent obligation amount is included in other liabilities on our consolidated balance sheets.