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Equity Plans (Tables) | 6 Months Ended
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Feb. 27, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Restricted Stock Awards Activity |
| Quarter ended |  |  | Six months ended |
| February 27, 2020 | February 28, 2019 |  | February 27, 2020 | February 28, 2019
Restricted stock award shares granted | — | — |  | 8 | 6
Weighted-average grant-date fair value per share | $ | 54.71 |  | $ | 37.01 |  |  | $ | 46.38 |  | $ | 39.83 |
Schedule of Employee Stock Purchase Plan Valuation Assumptions |
Quarter ended | February 27, 2020 | February 28, 2019
Weighted-average grant-date fair value per share | 14.43 |  | 10.92 |
Average expected life in years | 0.5 | 0.5
Weighted-average expected volatility | 43 | % | 47 | %
Weighted-average risk-free interest rate | 1.5 | % | 2.5 | %
Expected dividend yield | 0 | % | 0 | %
Stock-based Compensation Expense by Caption |
| Quarter ended |  |  | Six months ended |
| February 27, 2020 | February 28, 2019 |  | February 27, 2020 | February 28, 2019
Stock-based compensation expense by caption |  |  |  |  |
Cost of goods sold | $ | 37 |  | $ | 23 |  |  | $ | 68 |  | $ | 49 |
Selling, general, and administrative | 26 |  | 18 |  |  | 48 |  | 37 |
Research and development | 22 |  | 16 |  |  | 41 |  | 32 |
| $ | 85 |  | $ | 57 |  |  | $ | 157 |  | $ | 118 |
Stock-based compensation expense by type of award |  |  |  |  |
Restricted stock awards | $ | 70 |  | $ | 42 |  |  | $ | 127 |  | $ | 83 |
ESPP | 11 |  | 8 |  |  | 19 |  | 16 |
Stock options | 4 |  | 7 |  |  | 11 |  | 19 |
| $ | 85 |  | $ | 57 |  |  | $ | 157 |  | $ | 118 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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