Note 7 - Debt, Credit Agreement and Leases - Future Payments of Long-term Debt and Finance and Operating Leases (Details) $ in Thousands	Sep. 30, 2024 USD ($)
Finance Leases:
2025	$ 8,303
2026	6,474
2027	3,200
2028	1,172
2029	1,172
Thereafter	879
Total, finance leases	21,200
Less: effect of discounting, finance leases	(2,226)
Total	18,974
Operating Leases:
2025	1,862
2026	1,298
2027	1,221
2028	1,150
2029	990
Thereafter	5,138
Total, operating leases	11,659
Less: effect of discounting, operating leases	(2,948)
Total	8,711
IQ Notes [Member]
Notes:
2025	38,064
2026	0
2027	0
2028	0
2029	0
Thereafter	0
Total, long term Debt	38,064
Total	38,064
Senior Notes [Member]
Notes:
2025	34,438
2026	34,438
2027	34,438
2028	487,914
2029	0
Thereafter	0
Total, long term Debt	591,228
Total	$ 591,228