Annual report pursuant to Section 13 and 15(d)

Summary of Quarterly Financial Information (Unaudited) (Tables)

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Summary of Quarterly Financial Information (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2011
Summary of Quarterly Financial Information (Unaudited) [Abstract]  
Summary of unaudited financial data
                             

2011

         MARCH 31           JUNE 30        

   SEPTEMBER 30   

  

   DECEMBER 31   
           

Net sales

         $   476,234        $   434,351             $  412,183              $  283,248     

Gross profit

         192,610         143,330      175,195         112,613     

Net earnings (loss) *

         11,808         (29,916)     8,285         (57,661)    
           

Net earnings (loss) per share:

                            
           

Basic

         $ 0.24        $ (0.62)            $        0.17              $      (1.18)    

Diluted

         0.24         (0.62)     0.17         (1.18)    

 

                             

2010

         MARCH 31           JUNE 30        

   SEPTEMBER 30   

  

   DECEMBER 31   
           

Net sales

         $   492,764        $   504,859             $  554,626              $  454,619     

Gross profit

         237,418         237,645      252,651         184,192     

Net earnings

         56,296         40,237      36,378         3,237     
           

Net earnings per share:

                            
           

Basic

         $ 1.20        $ 0.85             $        0.76              $        0.07     

Diluted

         1.15         0.82      0.74         0.07     

* Included in the quarter ended December 31, 2011 is an impairment of property, plant and equipment of $1.5 million and an impairment of intangible assets of $1.6 million (see note 1).