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Share Based Compensation (Tables)
9 Months Ended
Sep. 29, 2012
Share-based Compensation [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following summarizes information concerning stock option grants during each of the first nine months of fiscal 2012 and 2011:
 
Fiscal nine months ended
 
September 29,
2012
 
September 24,
2011
Stock options granted
570,277

 
545,455

Weighted average exercise price
$
85.54

 
$
52.13

Weighted average fair value per option
$
26.25

 
$
17.72

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
The following summarizes information concerning restricted stock unit grants during each of the first nine months of fiscal 2012 and 2011:
 
Fiscal nine months ended
 
September 29,
2012
 
September 24,
2011
Restricted stock units granted
40,017

 
63,484

Weighted average fair value per share
$
87.10

 
$
53.23