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Equity Plans | 3 Months Ended
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Nov. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Equity Plans | Equity Plans As of November 30, 2017, 99 million shares of our common stock were available for future awards under our equity plans. Stock Options
Quarter ended |  | November 30, 2017 |  | December 1, 2016
Stock options granted |  | 1 |  |  | 2 |
Weighted-average grant-date fair value per share |  | $ | 17.67 |  |  | $ | 7.66 |
Average expected life in years |  | 5.6 |  |  | 5.7 |
Weighted-average expected volatility |  | 44 | % |  | 46 | %
Weighted-average risk-free interest rate |  | 2.1 | % |  | 1.4 | %
Expected dividend yield |  | 0.0 | % |  | 0.0 | %
Restricted Stock and Restricted Stock Units ("Restricted Stock Awards")
Quarter ended |  | November 30, 2017 |  | December 1, 2016
Restricted stock award shares granted |  | 2 |  |  | 3 |
Weighted-average grant-date fair value per share |  | $ | 39.01 |  |  | $ | 18.22 |
Stock-based Compensation Expense
Quarter ended |  | November 30, 2017 |  | December 1, 2016
Stock-based compensation expense by caption |  |  |  |
Cost of goods sold |  | $ | 20 |  |  | $ | 19 |
Selling, general, and administrative |  | 18 |  |  | 15 |
Research and development |  | 13 |  |  | 12 |
|  | $ | 51 |  |  | $ | 46 |
Stock-based compensation expense by type of award |  |  |  |
Stock options |  | $ | 17 |  |  | $ | 17 |
Restricted stock awards |  | 34 |  |  | 29 |
|  | $ | 51 |  |  | $ | 46 |
As of November 30, 2017, $348 million of total unrecognized compensation costs for unvested awards was expected to be recognized through the first quarter of 2022, resulting in a weighted-average period of 1.2 years.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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