Note 14 - Repurchase of Common Stock (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | 237 Months Ended | |
|---|---|---|---|---|
Sep. 28, 2019 |
Sep. 28, 2019 |
Sep. 29, 2018 |
Sep. 28, 2019 |
|
| Stock Repurchase Program, Authorized Amount | $ 60,000 | $ 60,000 | $ 60,000 | |
| Treasury Stock, Shares, Acquired | 0 | 141,501 | 463,974 | 3,498,962 |
| Treasury Stock, Value, Acquired, Cost Method | $ 2,736 | $ 9,000 | $ 50,500 | |
| Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 9,500 | $ 9,500 | $ 9,500 | |
| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|