Annual report pursuant to Section 13 and 15(d)

Derivative Instruments - Additional Information (Detail)

v3.3.1.900
Derivative Instruments - Additional Information (Detail) - USD ($)
12 Months Ended
Sep. 28, 2013
Sep. 26, 2015
Sep. 27, 2014
Derivative Instruments, Gain (Loss) [Line Items]      
Outstanding derivative instruments   $ 0 $ 0
Commodity Contracts [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Total derivative instruments $ 1,000,000