Equity Plans (Tables)

3 Months Ended

Nov. 29, 2018

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

Stock Options Granted and Valuation Assumptions

Quarter ended	November 29, 2018			November 30, 2017
Stock options granted	—			1
Weighted-average grant-date fair value per share	$	19.50		$	17.67
Average expected life in years	5.4			5.6
Weighted-average expected volatility	44		%	44		%
Weighted-average risk-free interest rate	2.9		%	2.1		%
Expected dividend yield	0.0		%	0.0		%

Schedule of Restricted Stock Awards Activity

Quarter ended	November 29, 2018		November 30, 2017
Restricted stock award shares granted	6		2
Weighted-average grant-date fair value per share	$	39.02	$	39.01

Stock-based Compensation Expense by Caption

Quarter ended	November 29, 2018		November 30, 2017
Stock-based compensation expense by caption
Cost of goods sold	$	26	$	20
Selling, general, and administrative	19		18
Research and development	16		13
	$	61	$	51
Stock-based compensation expense by type of award
Restricted stock awards	$	41	$	34
Stock options	12		17
Employee Stock Purchase Plan	8		—
	$	61	$	51