Revenue Recognition - Additional Information (Detail) - USD ($) $ in Thousands	Aug. 26, 2018	Aug. 25, 2018
Revenue From Contract With Customer [Line Items]
An increase of retained deficit		$ (6,773)
Accounting Standards Update 2014-09 [Member]
Revenue From Contract With Customer [Line Items]
An increase of retained deficit	$ (6,800)
Accounting Standards Update 2014-09 [Member] | Other Current Liabilities [Member]
Revenue From Contract With Customer [Line Items]
An increase of retained deficit	$ (6,800)