| 
           Segment Information (Narrative) (Details) 
         | 
        9 Months Ended | 
|---|---|
| 
           Sep. 29, 2012 
         | 
      |
| Segment Information [Abstract] | |
| Percentage of revenue from major customers, maximum | 10.00% | 
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Percentage Of Revenue From Major Customer No definition available. 
  |