Annual report pursuant to Section 13 and 15(d)

Earnings Per Share - Additional Information (Detail)

v3.5.0.2
Earnings Per Share - Additional Information (Detail) - shares
shares in Millions
12 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Common stock outstanding, not included in computation of diluted earnings per share 3.2 9.7