Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Detail)

v3.3.1.900
Stock-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 28, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Beginning Balance, Outstanding, Number of Shares 9,213    
Granted, Number of Shares 1,361    
Exercised, Number of Shares (2,389)    
Cancelled or expired, Number of Shares (1,928)    
Ending Balance, Outstanding, Number of Shares 6,257 9,213  
Exercisable, Number of Shares 2,910 5,205 6,409
Expected to vest, Number of Shares 2,783    
Beginning Balance, Outstanding, Weighted Average Exercise Price per share $ 10.35    
Granted, Weighted Average Exercise Price per share 10.58    
Exercised, Weighted Average Exercise Price per share 8.86    
Cancelled or expired, Weighted Average Exercise Price per share 11.86    
Ending Balance, Outstanding, Weighted Average Exercise Price per share 10.51 $ 10.35  
Exercised, Weighted Average Exercise Price per share 10.74 $ 10.81 $ 11.21
Expected to vest, Weighted Average Exercise Price per share $ 10.32    
Outstanding, Weighted Average Remaining Contractual Life 3 years 3 years  
Exercisable, Weighted Average Remaining Contractual Life 2 years 2 years 2 years
Expected to vest, Weighted Average Remaining Contractual Life 4 years    
Outstanding, Aggregate Intrinsic Value $ 38,663 $ 1,895  
Exercisable, Aggregate Intrinsic Value 17,226 $ 390 $ 770
Expected to Vest, Aggregate Intrinsic Value $ 17,822