Equity Plans (Tables)

6 Months Ended

Mar. 03, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Assumptions used in Black-Scholes option valuation model

Stock options granted and assumptions used in the Black-Scholes option valuation model were as follows:



		Quarter ended								Six months ended
		March 3, 2016				March 5, 2015				March 3, 2016				March 5, 2015
Stock options granted		5				7				7				8
Weighted-average grant-date fair value per share		$	6.59			$	15.34			$	7.01			$	14.96
Average expected life in years		5.5				5.6				5.5				5.6
Weighted-average expected volatility		47		%		44		%		47		%		45		%
Weighted-average risk-free interest rate		1.7		%		1.7		%		1.7		%		1.7		%

Schedule restricted stock awards activity

Restricted Stock Awards activity was as follows:



		Quarter ended								Six months ended
		March 3, 2016				March 5, 2015				March 3, 2016				March 5, 2015
Restricted stock awards granted		6				4				9				6
Weighted-average grant-date fair value per share		$	14.71			$	35.85			$	15.84			$	34.33

Stock-based compensation expense by caption and type of award



		Quarter ended								Six months ended
		March 3, 2016				March 5, 2015				March 3, 2016				March 5, 2015
Stock-based compensation expense by caption
Cost of goods sold		$	21			$	19			$	38			$	31
Selling, general, and administrative		19				18				37				33
Research and development		15				12				26				20
		$	55			$	49			$	101			$	84

Stock-based compensation expense by type of award
Stock options		$	22			$	23			$	42			$	41
Restricted stock awards		33				26				59				43
		$	55			$	49			$	101			$	84