XML 72 R58.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 9 - Stock-based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Sep. 27, 2014
Minimum [Member]      
Outstanding, beginning of period (in dollars per share) $ 7.55 $ 6.89 $ 5.43
Granted (in dollars per share) 23.95 18.05 19.08
Exercised (in dollars per share) 7.55 6.89 5.43
Outstanding, end of period (in dollars per share) 9.16 7.55 6.89
Forfeited (in dollars per share)   9.16  
Maximum [Member]      
Outstanding, beginning of period (in dollars per share) 21.96 20.50 20.27
Granted (in dollars per share) 34.49 21.96 20.50
Exercised (in dollars per share) 21.96 11.15 20.27
Outstanding, end of period (in dollars per share) 34.49 21.96 20.50
Forfeited (in dollars per share)   21.96  
Weighted Average [Member]      
Outstanding, beginning of period (in dollars per share) 15.14 14.23 12.65
Granted (in dollars per share) 28.47 19.89 19.80
Exercised (in dollars per share) 13.93 9.17 10.42
Outstanding, end of period (in dollars per share) 20.81 15.14 $ 14.23
Forfeited (in dollars per share)   $ 15.37  
Vested and anticipated to vest in future (in dollars per share) 20.78    
Exercisable (in dollars per share) $ 16.41    
Outstanding, beginning of period (in shares) 923 871 918
Granted (in shares) 99 134 136
Exercised (in shares) (651) (27) (183)
Exercised $ 8,718 $ 328 $ 1,789
Outstanding, end of period (in shares) 371 923 871
Forfeited (in shares)   (55)  
Outstanding, end of period 7 years 357 days    
Outstanding, end of period $ 5,722    
Vested and anticipated to vest in future (in shares) 365    
Vested and anticipated to vest in future 7 years 350 days    
Vested and anticipated to vest in future $ 5,647    
Exercisable (in shares) 142    
Exercisable 6 years 204 days    
Exercisable $ 2,826