XML 85 R70.htm IDEA: XBRL DOCUMENT v3.22.4
Note 10 - Pensions and Other Postretirement Benefits - Assumptions Used (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Pension Plan [Member]    
Discount rate 4.89% 2.44%
Rate of compensation increase 3.50% 3.50%
Discount rate 4.43% 2.07%
Expected long-term rate of return on plan assets 5.00% 5.10%
Rate of compensation increase 3.50% 3.50%
Postemployment Retirement Benefits [Member]    
Discount rate 5.16% 2.70%
Rate of compensation increase 0.00% 0.00%
Discount rate 2.70% 2.25%
Expected long-term rate of return on plan assets 0.00%  
Rate of compensation increase 0.00%