Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.8.0.1
Income Taxes - Additional Information (Detail) - USD ($)
Sep. 30, 2017
Sep. 24, 2016
Income Tax Disclosure [Abstract]    
State tax net operating losses $ 109,100,000  
Foreign losses 3,000,000  
State income tax credits 3,700,000  
Valuation allowances 6,527,000 $ 6,583,000
Accrued interest (less than) 100,000 100,000
Penalties were accrued related to uncertain tax positions 0 $ 0
Unrecognized tax benefit may be recognized within twelve months as a result of a settlement $ 300,000