Equity Plans (Tables)

6 Months Ended

Mar. 01, 2018

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

Schedule of stock options granted and fair value assumptions used

	Quarter ended						Six months ended
	March 1, 2018			March 2, 2017			March 1, 2018			March 2, 2017
Stock options granted	1			4			2			6
Weighted-average grant-date fair value per share	$	18.61		$	8.37		$	18.13		$	8.15
Average expected life in years	5.5			5.5			5.5			5.5
Weighted-average expected volatility	44		%	47		%	44		%	47		%
Weighted-average risk-free interest rate	2.2		%	1.9		%	2.2		%	1.8		%
Expected dividend yield	0.0		%	0.0		%	0.0		%	0.0		%

Schedule restricted stock awards activity

	Quarter ended				Six months ended
	March 1, 2018		March 2, 2017		March 1, 2018		March 2, 2017
Restricted stock award shares granted	2		5		4		8
Weighted-average grant-date fair value per share	$	43.21	$	18.67	$	41.51	$	18.52

Stock-based compensation expense by caption

	Quarter ended				Six months ended
	March 1, 2018		March 2, 2017		March 1, 2018		March 2, 2017
Stock-based compensation expense by caption
Cost of goods sold	$	22	$	23	$	42	$	42
Selling, general, and administrative	16		18		34		33
Research and development	14		14		27		26
	$	52	$	55	$	103	$	101
Stock-based compensation expense by type of award
Stock options	$	14	$	18	$	31	$	35
Restricted stock awards	38		37		72		66
	$	52	$	55	$	103	$	101