Annual report pursuant to Section 13 and 15(d)

Income Taxes - Activity Related to Company's Unrecognized Tax Benefits (Detail)

v3.3.1.900
Income Taxes - Activity Related to Company's Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Income Tax Disclosure [Abstract]    
Beginning Balance $ 87 $ 364
Increases related to prior year tax positions 55 264
Increases related to current year tax positions 20 14
Decreases related to prior year tax positions 0 (166)
Settlements (9) (388)
Decreases related to lapse of statute of limitations (15) (1)
Ending Balance $ 138 $ 87