Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Fair Value Disclosures - Financial Instruments (Details) (Parentheticals)

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Note 7 - Fair Value Disclosures - Financial Instruments (Details) (Parentheticals)
Dec. 31, 2021
Senior Notes Due 2025 [Member]  
Stated interest rate 6.00%
Senior Notes Due 2027 [Member]  
Stated interest rate 5.125%
Senior Notes Due 2029 [Member]  
Stated interest rate 3.875%