Goodwill and Intangibles - Schedule of Carrying Amounts of Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Aug. 29, 2015	Aug. 30, 2014
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	$ 61,546	$ 60,246
Finite Lived, Accumulated Amortization	(18,716)	(9,978)
Finite Lived, Net Carrying Amount	42,830	50,268
Total intangible assets other than goodwill, Net Carrying Amount	$ 69,730	74,868
Minimum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Maximum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years
Technology [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	$ 10,570	10,570
Finite Lived, Accumulated Amortization	(5,757)	(3,528)
Finite Lived, Net Carrying Amount	$ 4,813	$ 7,042
Technology [Member] | Minimum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years	3 years
Technology [Member] | Maximum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	5 years	5 years
Noncompete Agreements [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	5 years	5 years
Finite Lived, Gross Carrying Amount	$ 1,300	$ 1,300
Finite Lived, Accumulated Amortization	(703)	(443)
Finite Lived, Net Carrying Amount	597	857
Customer Relationships [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	49,676	48,376
Finite Lived, Accumulated Amortization	(12,256)	(6,007)
Finite Lived, Net Carrying Amount	$ 37,420	$ 42,369
Customer Relationships [Member] | Minimum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years	3 years
Customer Relationships [Member] | Maximum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years	10 years
Trade Names [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Non-amortizing intangible asset - Trade name, Net Carrying Amount	$ 26,900	$ 24,600