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Note 13 - Stock-based Compensation and Purchase Plans (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Apr. 01, 2017	Jul. 01, 2005	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Continuing Operations			$ 9,811	$ 11,710	$ 11,168
Deferred Tax Expense from Stock Options Exercised			$ 2,200	1,800	2,700
Common Stock, Capital Shares Reserved for Future Issuance (in shares)			242,954
Executive Compensation Plan [Member]
Share-based Compensation Continuing Operations			$ 900	$ 200	$ 200
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 400
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			10 months 24 days
Percent of Participants Annual Incentive Compensation Participants May Elect to Defer Maximum			50.00%
Expiration of Restrictions on Units (Year)			3 years
Executive Compensation Plan [Member] | Minimum [Member]
Shares of Common Stock Issued Determined by Adjustment of Target Range Percent			50.00%
Executive Compensation Plan [Member] | Maximum [Member]
Shares of Common Stock Issued Determined by Adjustment of Target Range Percent			200.00%
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date	15.00%	5.00%
Percent of Fair Market Value at Which Employees May Purchase Shares of Stock	85.00%
Stock Reserved for Employee Stock Purchase Plan (in shares)			38,234
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)			3,778	6,256	6,707
Stock Issued During Period Average Price (in dollars per share)			$ 137.38	$ 91.78	$ 83.22
Restricted Stock [Member]
Share-based Compensation Continuing Operations			$ 6,000	$ 4,800	$ 5,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)			$ 151.99	$ 95.32	$ 104.37
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value			$ 9,000	$ 7,400	$ 6,800
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 4,300
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			1 year 6 months
Restricted Stock [Member] | Executive Compensation Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)			$ 81.41	$ 98.36	$ 108.92
Performance Stock Units [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)			$ 81.41
Performance Stock Units [Member] | Executive Compensation Plan [Member]
Share-based Compensation Continuing Operations			$ 2,900	$ 6,700	$ 6,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)			$ 89.44		$ 102.61
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value			$ 21,400	$ 4,600	$ 400
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 3,800
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			1 year 2 months 12 days

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- Definition

The amount of time after which the restriction on the units will expire.

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The maximum percentage of employees' annual incentive compensation in restricted stock, which is purchased at a discount to the market, that they may elect to defer.

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The percentage by which the number of common stock issued will be adjusted upward or downward at the end of the performance period.

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Represents the average price of shares issued during the period.

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Represents the number of shares of stock that are reserved for the Company's Employee Stock Purchase Plan.

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Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Discount rate from fair value on purchase date that participants pay for shares.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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