Note 4 - Fair Value Measurements - Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands		Dec. 31, 2020	Jun. 30, 2020
Foreign exchange contracts		$ 3,083	$ 0
Interest rate swaps		6,019	0
Business Combination, Contingent Consideration, Liability, Total	[1]	3,000	1,343
Foreign exchange contracts			2,477
Interest rate swaps			6,667
Fair Value, Inputs, Level 1 [Member]
Foreign exchange contracts		0	0
Interest rate swaps		0	0
Business Combination, Contingent Consideration, Liability, Total	[1]	0	0
Foreign exchange contracts			0
Interest rate swaps			0
Fair Value, Inputs, Level 2 [Member]
Foreign exchange contracts		3,083	0
Interest rate swaps		6,019	0
Business Combination, Contingent Consideration, Liability, Total	[1]	0	0
Foreign exchange contracts			2,477
Interest rate swaps			6,667
Fair Value, Inputs, Level 3 [Member]
Foreign exchange contracts		0	0
Interest rate swaps		0	0
Business Combination, Contingent Consideration, Liability, Total	[1]	3,000	1,343
Foreign exchange contracts			0
Interest rate swaps			0
Deferred Compensation Plan [Member]
Marketable securities - deferred compensation plan		2,852	2,065
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 1 [Member]
Marketable securities - deferred compensation plan		2,852	2,065
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 2 [Member]
Marketable securities - deferred compensation plan		0	0
Deferred Compensation Plan [Member] | Fair Value, Inputs, Level 3 [Member]
Marketable securities - deferred compensation plan		$ 0	$ 0

[1] The fair value of our contingent consideration arrangement is determined based on our evaluation as to the probability and amount of any deferred compensation that has been earned to date.