Equity Plans (Tables)

9 Months Ended

May 29, 2014

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 are presented below:

	Quarter Ended						Nine Months Ended
	May 29, 2014			May 30, 2013			May 29, 2014			May 30, 2013
Stock options granted	1			—			12			18
Weighted-average grant-date fair value per share	$	11.35		$	4.79		$	9.38		$	3.29
Average expected life in years	5.7			4.8			4.9			5.1
Weighted-average expected volatility	52		%	55		%	48		%	60		%
Weighted-average risk-free interest rate	1.8		%	0.7		%	1.6		%	0.7		%

Schedule of restricted stock awards activity

Restricted Stock Awards granted are presented below:

	Quarter Ended				Nine Months Ended
	May 29, 2014		May 30, 2013		May 29, 2014		May 30, 2013
Restricted stock awards granted	—		—		7		7
Weighted-average grant-date fair values per share	$	22.73	$	9.97	$	21.39	$	6.21

Stock-based compensation expense

Stock-based Compensation Expense

	Quarter Ended				Nine Months Ended
	May 29, 2014		May 30, 2013		May 29, 2014		May 30, 2013
Stock-based compensation expense by caption:
Cost of goods sold	$	12	$	7	$	27	$	20
Selling, general and administrative	12		10		36		28
Research and development	7		4		17		13
Other	1		—		1		—
	$	32	$	21	$	81	$	61
Stock-based compensation expense by type of award:
Stock options	$	16	$	14	$	44	$	41
Restricted stock awards	16		7		37		20
	$	32	$	21	$	81	$	61