Stock-Based Compensation (Summary Of Stock Option Activity) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	May 28, 2016 USD ($) $ / shares shares
Stock-Based Compensation [Abstract]
Outstanding, Beginning Balance, Options | shares	1,274
Granted, Options | shares	586
Exercised, Options | shares	(99)
Canceled/Forfeited, Options | shares	(56)
Outstanding, Ending Balance, Options | shares	1,705
Exercisable, Ending Balance, Options | shares	672
Outstanding, Beginning Balance, Weighted-Average Exercise Price per Share | $ / shares	$ 73.10
Granted, Weighted-Average Exercise Price per Share | $ / shares	58.90
Exercised, Weighted-Average Exercise Price per Share | $ / shares	51.25
Canceled/Forfeited, Weighted-Average Exercise Price per Share | $ / shares	75.87
Outstanding, Ending Balance, Weighted-Average Exercise Price per Share | $ / shares	69.40
Exercisable, Ending Balance, Weighted-Average Exercise Price per Share | $ / shares	$ 70.48
Outstanding, Ending Balance, Weighted-Average Remaining Contractual Term (in years)	4 years 8 months 12 days
Exercisable, Ending Balance, Weighted-Average Remaining Contractual Term (in years)	3 years 2 months 12 days
Outstanding, Ending Balance, Aggregate Intrinsic Value | $	$ 14,405
Exercisable, Ending Balance, Aggregate Intrinsic Value | $	$ 4,799