Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares $ / shares in Thousands	Dec. 29, 2023	Jun. 30, 2023	Dec. 30, 2022
Preferred Shares, Authorized (in shares)	200,000	200,000	200,000
Preferred Shares, Issued (in shares)	0	0	0
Preferred Shares, No Par Value (in dollars per share)	$ 0	$ 0	$ 0
Common shares, authorized (in shares)	30,000,000	30,000,000	30,000,000
Common shares, shares issued (in shares)	14,632,802	14,632,802	14,632,802
Common shares, no par value (in dollars per share)	$ 0	$ 0	$ 0
Treasury Stock, Common, Shares (in shares)	639,006	814,734	819,398