Note 7 - Leases - Balance Sheet Classification (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Operating lease right of use assets	$ 71,830	$ 71,465
Current operating lease liabilities	10,414	9,535
Noncurrent operating lease liabilities	66,816	$ 67,248
Total operating lease liabilities	$ 77,230
Weighted average remaining lease term (in years): (Year)	8 years 4 months 6 days
Weighted average discount rate:	4.15%