Note 16 - Employee Benefit Plans - Funded Status for US and Foreign Pension Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Fair value of plan assets at beginning of year	$ 188,838
Fair value of plan assets at end of year	164,364	$ 188,838
UNITED STATES
Benefit obligation at beginning of year	199,825	252,092
Service cost	0	5	$ 4
Interest cost	9,586	7,320	7,439
Actuarial gain	(8,625)	(42,844)
Benefits paid	(16,104)	(16,748)
Foreign currency exchange rate & other changes	(0)	(0)
Projected benefit obligation at end of year	184,682	199,825	252,092
Fair value of plan assets at beginning of year	157,851	212,603
Actual return on plan assets	167	(38,213)
Employer contribution	200	209
Benefits paid	(16,104)	(16,748)
Foreign currency exchange rate & other changes	0	0
Fair value of plan assets at end of year	142,114	157,851	212,603
Funded Status	(42,568)	(41,974)
Prepaid benefit cost	0	0
Current liabilities	(148)	(195)
Non-current liabilities	(42,420)	(41,779)
Net amount recognized	(42,568)	(41,974)
Unrecognized net actuarial loss	120,087	120,719
Unrecognized prior service cost	0	0
Accumulated other comprehensive income, pre-tax	120,087	120,719
Foreign Plan [Member]
Benefit obligation at beginning of year	30,868	47,809
Service cost	176	231	217
Interest cost	1,039	768	725
Actuarial gain	(4,052)	(11,353)
Benefits paid	(1,391)	(1,636)
Foreign currency exchange rate & other changes	1,186	4,951
Projected benefit obligation at end of year	25,454	30,868	47,809
Fair value of plan assets at beginning of year	30,986	45,017
Actual return on plan assets	(4,855)	(8,161)
Employer contribution	251	326
Benefits paid	(1,391)	(1,636)
Foreign currency exchange rate & other changes	(2,741)	(4,560)
Fair value of plan assets at end of year	22,250	30,986	$ 45,017
Funded Status	(3,204)	118
Prepaid benefit cost	2,807	6,295
Current liabilities	(277)	(261)
Non-current liabilities	(5,734)	(5,916)
Net amount recognized	(3,204)	118
Unrecognized net actuarial loss	4,032	1,479
Unrecognized prior service cost	(32)	(38)
Accumulated other comprehensive income, pre-tax	$ 4,000	$ 1,441