Equity Plans (Tables)

3 Months Ended

Dec. 01, 2016

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

Stock options granted and assumptions used in Black-Scholes option valuation model

Quarter ended	December 1, 2016			December 3, 2015
Stock options granted	2			2
Weighted-average grant-date fair value per share	$	7.66		$	7.99
Average expected life in years	5.7			5.6
Weighted-average expected volatility	46		%	46		%
Weighted-average risk-free interest rate	1.4		%	1.5		%
Expected dividend yield	0		%	0		%

Schedule restricted stock awards activity

Quarter ended	December 1, 2016		December 3, 2015
Restricted stock award shares granted	3		3
Weighted-average grant-date fair value per share	$	18.22	$	18.52

Stock-based compensation expense by caption

Quarter ended	December 1, 2016		December 3, 2015
Stock-based compensation expense by caption
Cost of goods sold	$	19	$	18
Selling, general, and administrative	15		17
Research and development	12		11
	$	46	$	46
Stock-based compensation expense by type of award
Stock options	$	17	$	20
Restricted stock awards	29		26
	$	46	$	46