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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2011
Stock-Based Compensation  
Schedule of Stock-Based Compensation Costs
   
Years Ended December 31,
 
   
2011
   
2010
   
2009
 
Total stock-based compensation costs:
                 
Restricted stock and restricted stock units                                                                      
  $ 7.1     $ 7.4     $ 7.3  
Stock options, performance awards and other
    1.3       1.9       1.6  
Less: costs capitalized as part of inventory                                                                      
    (0.4 )     (0.3 )     (0.3 )
Expense included in selling, general and administrative
  $ 8.0     $ 9.0     $ 8.6  
Total after-tax expense                                                                  
  $ 5.2     $ 5.8     $ 5.6  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
         
Weighted-Average
 
         
Grant-Date
 
   
Shares
   
Fair Value
 
Restricted Shares at December 31, 2010
    2,138     $ 4.64  
Granted                                                    
    827       5.11  
Vested                                                    
    (1,051 )     5.07  
Forfeited                                                    
    -       -  
Restricted Shares at December 31, 2011
    1,914     $ 4.61  
Schedule of Assumptions in the Option Pricing Model
 
Years Ended December 31,
 
2011
2010
2009
Risk-free interest rate                                                       
 -
 
0.78 -
 1.43%
1.40 -
 1.45%
Expected volatility                                                       
-
 
72 -
 75%
65 -
 72%
Expected option life (years)                                                       
-
 
4.0 -
 4.1
3.8 -
 4.0
Weighted-average grant date fair value
-
$2.81
$1.82
Options granted                                                       
0
773,018
1,107,342
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
               
Weighted-Average
       
   
Stock
   
Weighted-
   
Remaining
   
Aggregate
 
   
Options
   
Average
   
Contractual
   
Intrinsic Value
 
   
(thousands)
   
Exercise Price
   
Term (years)
   
(millions)
 
Outstanding at December 31, 2010
    3,552       6.20              
Granted
    -       -              
Exercised
    -       -              
Forfeited or expired
    (426 )     10.47              
Outstanding at December 31, 2011
    3,126     $ 5.61       2.0     $ -  
Exercisable at December 31, 2011
    2,249     $ 6.02       1.7     $ -  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Stock Exercise  Price
   
Options Outstanding
   
Weighted Average Remaining Contractual Life in Years
   
Options Exercisable
 
$3.72       1,069       2.3       713  
5.00 to 7.00
      1,676       2.2       1,155  
7.02 to 7.10
      137       0.8       137  
11.33 to 14.28
       244       0.7       244  
          3,126       2.0       2,249