Equity Plans (Tables)

6 Months Ended

Mar. 05, 2015

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 were as follows:

	Quarter Ended				Six Months Ended
	March 5, 2015		February 27, 2014		March 5, 2015		February 27, 2014
Stock options granted	7		9		8		11
Weighted-average grant-date fair value per share	$15.34		$9.58		$14.96		$9.17
Average expected life in years	5.6		4.8		5.6		4.8
Weighted-average expected volatility	44	%	46	%	45	%	47	%
Weighted-average risk-free interest rate	1.7	%	1.6	%	1.7	%	1.6	%

Schedule of restricted stock awards activity

Restricted Stock Awards activity for the second quarters and first six months of 2015 and 2014 are summarized as follows:

	Quarter Ended				Six Months Ended
	March 5, 2015		February 27, 2014		March 5, 2015		February 27, 2014
Restricted stock awards granted	4		4		6		6
Weighted-average grant-date fair values per share	$	35.85	$	23.24	$	34.33	$	21.22

Stock-based compensation expense

Stock-based Compensation Expense

	Quarter Ended				Six Months Ended
	March 5, 2015		February 27, 2014		March 5, 2015		February 27, 2014
Stock-based compensation expense by caption:
Cost of goods sold	$	19	$	8	$	31	$	15
Selling, general and administrative	18		13		33		24
Research and development	12		6		20		10
	$	49	$	27	$	84	$	49
Stock-based compensation expense by type of award:
Stock options	$	23	$	14	$	41	$	28
Restricted stock awards	26		13		43		21
	$	49	$	27	$	84	$	49