Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Details Textual)

v2.4.0.6
Earnings Per Share (Details Textual) (USD $)
12 Months Ended
Sep. 29, 2012
Sep. 24, 2011
Sep. 25, 2010
Earnings Per Share (Textual) [Abstract]      
Common stock, outstanding, included in the computation of diluted EPS 11,638,000 12,110,000  
Maximum [Member]
     
Earnings Per Share (Textual) [Abstract]      
Option to purchase common stock at prices ranging 16.23 17.99 17.99
Minimum [Member]
     
Earnings Per Share (Textual) [Abstract]      
Option to purchase common stock at prices ranging 4.60 4.60 4.60
Stock options [Member]
     
Earnings Per Share (Textual) [Abstract]      
Common stock, outstanding, but were not included in the computation of diluted EPS 6,100,000 8,400,000 5,700,000
Stock options [Member] | Common Stock [Member]
     
Earnings Per Share (Textual) [Abstract]      
Common stock, outstanding, included in the computation of diluted EPS 11,600,000 12,100,000 11,100,000
Stock options [Member] | Class A Common Stock [Member]
     
Earnings Per Share (Textual) [Abstract]      
Common stock, outstanding, included in the computation of diluted EPS 11,600,000 12,100,000 11,100,000