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Note 7 - Stock-based Compensation (Tables) | 6 Months Ended
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Apr. 03, 2021
Notes Tables |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | Six Months Ended |
|  | April 3, |  |  | March 28, |
|  | 2021 |  |  | 2020 |
Risk-free interest rate |  |  | 0.56 | % |  |  | 2.75 | %
Dividend yield |  |  | 0.48 | % |  |  | 0.54 | %
Expected volatility |  |  | 51.47 | % |  |  | 40.89 | %
Expected term (in years) |  |  | 4.92 |  |  |  | 4.59 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  | Contractual |  |  | Aggregate |
|  | Options |  |  | Exercise Price Per Share |  |  | Term - Weighted |  |  | Intrinsic |
|  | Outstanding |  |  |  |  |  |  |  | Weighted |  |  | Average |  |  | Value |
|  | (in thousands) |  |  | Range |  |  | Average |  |  | (in years) |  |  | (in thousands) |
Outstanding at October 3, 2020 |  |  | 482 |  |  | $10.23 | - | $41.85 |  |  | $ | 24.90 |  |  |  |  |  |  |  |  |
Granted |  |  | 42 |  |  | 29.43 | - | 29.43 |  |  |  | 29.43 |  |  |  |  |  |  |  |  |
Exercised |  |  | (24 | ) |  | 13.06 | - | 21.57 |  |  |  | 17.53 |  |  |  |  |  |  | $ | 158 |
Outstanding at April 3, 2021 |  |  | 500 |  |  | 10.23 | - | 41.85 |  |  |  | 25.65 |  |  |  | 6.61 |  |  |  | 3,607 |
Vested and anticipated to vest in the future at April 3, 2021 |  |  | 486 |  |  |  |  |  |  |  |  | 25.68 |  |  |  | 6.53 |  |  |  | 3,502 |
Exercisable at April 3, 2021 |  |  | 304 |  |  |  |  |  |  |  |  | 27.28 |  |  |  | 5.07 |  |  |  | 1,832 |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  | Restricted |  |  | Average |
|  | Stock Units |  |  | Grant Date |
(Unit amounts in thousands) |  | Outstanding |  |  | Fair Value |
Balance, October 3, 2020 |  |  | 122 |  |  | $ | 23.07 |
Granted |  |  | 30 |  |  |  | 29.43 |
Released |  |  | (28 | ) |  |  | 25.22 |
Balance, April 3, 2021 |  |  | 124 |  |  |  | 24.12 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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=120381028&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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