Goodwill and Intangibles - Schedule of Carrying Amounts of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 30, 2014	Aug. 31, 2013
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	$ 60,246	$ 30,000
Finite Lived, Accumulated Amortization	(9,978)	(2,884)
Finite Lived, Net Carrying Amount	50,268	27,116
Total intangible assets other than goodwill, Net Carrying Amount	74,868	51,716
Minimum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Technology [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	5 years	5 years
Finite Lived, Gross Carrying Amount	10,570	9,700
Finite Lived, Accumulated Amortization	(3,528)	(1,365)
Finite Lived, Net Carrying Amount	7,042	8,335
Technology [Member] | Minimum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	3 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	(443)	(183)
Finite Lived, Net Carrying Amount	857	1,117
Customer Relationships [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years	10 years
Finite Lived, Gross Carrying Amount	48,376	19,000
Finite Lived, Accumulated Amortization	(6,007)	(1,336)
Finite Lived, Net Carrying Amount	42,369	17,664
Customer Relationships [Member] | Minimum [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Estimated Useful Life	3 years
Trade Name [Member]
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Non-amortizing intangible asset - Trade name, Net Carrying Amount	$ 24,600	$ 24,600