Equity Plans (Tables)

12 Months Ended

Sep. 01, 2011

Notes to Financial Statements [Abstract]

Schedule of option activity

Option activity for 2011 is summarized as follows:

	Number of Shares		Weighted-Average Exercise Price Per Share		Weighted-Average Remaining Contractual Life (In Years)	Aggregate Intrinsic Value
Outstanding at September 2, 2010	116.3		$	12.79
Granted	15.3		9.05
Exercised	(6.1	)	4.61
Cancelled or expired	(26.2	)	19.07
Outstanding at September 1, 2011	99.3		11.06		2.6	$	41
Exercisable at September 1, 2011	61.8		$	13.53	1.5	$	15
Expected to vest after September 1, 2011	36.5		6.92		4.3	26

Schedule of options outstanding

The following table summarizes information about options outstanding as of September 1, 2011:

	Outstanding Options				Exercisable Options
Range of Exercise Prices	Number of Shares	Weighted-Average Remaining Contractual Life (In Years)	Weighted-Average Exercise Price Per Share		Number of Shares	Weighted-Average Exercise Price Per Share
$ 1.56 - $ 6.86	19.5	3.1	$	3.72	8.2	$	4.06
7.01 - 9.97	28.6	4.7	8.31		3.8	7.82
10.00 - 12.93	23.7	1.9	12.24		22.3	12.36
13.00 - 19.61	14.7	1.0	14.86		14.7	14.86
20.98 - 39.50	12.8	0.1	21.81		12.8	21.81
	99.3	2.6	11.06		61.8	13.53

Assumptions used in Black-Scholes option valuation model

Assumptions used in the Black-Scholes model are presented below:

	2011		2010		2009
Average expected life in years	5.1		5.1		4.9
Weighted-average expected volatility	56	%	60	%	73	%
Weighted-average risk-free interest rate	1.8	%	2.3	%	1.9	%

Restricted stock awards

Restricted Stock Awards activity for 2011 is summarized as follows:

	Number of Shares		Weighted-Average Grant Date Fair Value Per Share
Outstanding at September 2, 2010	8.6		$	7.89
Granted	5.6		8.72
Restrictions lapsed	(5.0	)	8.26
Cancelled	(0.4	)	8.85
Outstanding at September 1, 2011	8.8		8.17
Expected to vest after September 1, 2011	8.5		8.13

Restricted Stock Awards granted for 2011, 2010 and 2009 were as follows:

	2011		2010		2009
Service-based awards	4.4		5.9		1.9
Performance-based awards	1.2		1.8		1.7
Weighted-average grant-date fair values per share	$	8.72	$	8.29	$	4.40

Stock-based compensation expense

Stock-based Compensation Expense

Total compensation costs for our equity plans were as follows:

	2011		2010		2009
Stock-based compensation expense by caption:
Cost of goods sold	$	20	$	23	$	16
Selling, general and administrative	38		50		16
Research and development	17		18		13
Other operating (income) expense	1		2		(1		)
	$	76	$	93	$	44
Stock-based compensation expense by type of award:
Stock options	$	44	$	37	$	29
Restricted stock awards	32		56		15
	$	76	$	93	$	44