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Note 8 - Equity (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Note 8 - Equity (Details Textual) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 24, 2022	Sep. 30, 2023	Sep. 24, 2022	Oct. 25, 2022	Oct. 28, 2021
Stock Repurchase Program, Authorized Amount						$ 70.0
Stock Repurchase Program, Additional Authorized Amount					$ 70.0
Stock Repurchased During Period, Shares (in shares)	133,100	637,700	309,985	1,355,508
Stock Repurchased During Period, Value	$ 4.7	$ 17.7	$ 10.9	$ 38.1
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 71.1		$ 71.1

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details