Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION (Details)

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BASIS OF PRESENTATION (Details)
3 Months Ended 9 Months Ended
Sep. 25, 2011
Weeks
Sep. 26, 2010
Weeks
Sep. 25, 2011
Sep. 26, 2010
BASIS OF PRESENTATION        
Number of weeks in each interim period (in weeks) 13 13    
Options excluded (in shares) 285,937 3,795 142,750 9,993