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Note 10 - Debt - Short-term and Long-term Debt (Details) (Parentheticals) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
The 3.625% Senior Note [Member] |  |
Interest rate | 3.625% | 3.625%
Unamortized discount | $ 9,600 | $ 10,000
Interest rate | 3.625% | 3.625%
Unamortized discount | $ 9,600 | $ 10,000
The 4.125% Senior Note [Member] |  |
Interest rate | 4.125% | 4.125%
Interest rate | 4.125% | 4.125%
The 4.000% Senior Note [Member] |  |
Interest rate | 4.00% | 4.00%
Unamortized discount | $ 2,000 | $ 2,800
Interest rate | 4.00% | 4.00%
Unamortized discount | $ 2,000 | $ 2,800
The 5.500% Senior Note [Member] |  |
Interest rate | 5.50% | 5.50%
Unamortized discount | $ 3,900 | $ 4,000
Interest rate | 5.50% | 5.50%
Unamortized discount | $ 3,900 | $ 4,000
The 5.750% Senior Notes [Member] |  |
Interest rate | 5.75% | 5.75%
Unamortized discount | $ 9,100 | $ 0
Interest rate | 5.75% | 5.75%
Unamortized discount | $ 9,100 | $ 0

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