Share-Based Payments - Stock Option Activity (Detail) $ / shares in Units, $ in Thousands	12 Months Ended
	Aug. 29, 2015 USD ($) $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding, Beginning balance, Number of Shares	1,838,888
Granted, Number of Shares	329,700
Exercised, Number of Shares	(364,465)
Cancelled, Number of Shares	(34,694)
Outstanding, Ending balance, Number of Shares	1,769,429
Exercisable, Number of Shares	981,591
Expected to vest, Number of Shares	716,933
Available for future grants, Number of Shares	1,479,663
Outstanding, Beginning balance, Weighted Average Exercise Price | $ / shares	$ 269.32
Granted, Weighted Average Exercise Price | $ / shares	508.84
Exercised, Weighted Average Exercise Price | $ / shares	186.17
Cancelled, Weighted Average Exercise Price | $ / shares	431.59
Outstanding, Ending balance, Weighted Average Exercise Price | $ / shares	327.90
Exercisable, Weighted Average Exercise Price | $ / shares	238.21
Expected to vest, Weighted Average Exercise Price | $ / shares	$ 439.65
Outstanding , Weighted-Average Remaining Contractual Term	6 years 3 months 26 days
Exercisable, Weighted-Average Remaining Contractual Term	4 years 10 months 17 days
Expected to vest, Weighted-Average Remaining Contractual Term	8 years 1 month 10 days
Outstanding, Aggregate Intrinsic Value | $	$ 705,102
Exercisable, Aggregate Intrinsic Value | $	479,195
Expected to vest, Aggregate Intrinsic Value | $	$ 205,575