Equity Plans (Tables)

9 Months Ended

Jun. 01, 2017

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

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

	Quarter ended						Nine months ended
	June 1, 2017			June 2, 2016			June 1, 2017			June 2, 2016
Stock options granted	1			1			7			8
Weighted-average grant-date fair value per share	$	11.64		$	4.92		$	8.59		$	6.96
Average expected life in years	5.5			5.6			5.5			5.5
Weighted-average expected volatility	44		%	51		%	46		%	47		%
Weighted-average risk-free interest rate	2.0		%	1.3		%	1.8		%	1.7		%
Expected dividend yield	0		%	0		%	0		%	0		%

Schedule of restricted stock awards activity

	Quarter ended				Nine months ended
	June 1, 2017		June 2, 2016		June 1, 2017		June 2, 2016
Restricted stock awards granted	—		—		8		9
Weighted-average grant-date fair value per share	$	27.75	$	10.35	$	19.10	$	15.75

Stock-based compensation expense by caption

	Quarter ended				Nine months ended
	June 1, 2017		June 2, 2016		June 1, 2017		June 2, 2016
Stock-based compensation expense by caption
Cost of goods sold	$	24	$	21	$	66	$	58
Selling, general, and administrative	20		14		53		52
Research and development	13		12		39		38
	$	57	$	47	$	158	$	148
Stock-based compensation expense by type of award
Stock options	$	19	$	19	$	54	$	61
Restricted stock awards	38		28		104		87
	$	57	$	47	$	158	$	148