Annual report pursuant to Section 13 and 15(d)

Note 18 - Employee Benefit Plans - Asset Allocation (Details)

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Note 18 - Employee Benefit Plans - Asset Allocation (Details) - Pension Plan [Member]
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
UNITED STATES      
Allocation   100.00% 100.00%
UNITED STATES | Defined Benefit Plan, Equity Securities [Member]      
Allocation   48.00% 56.00%
UNITED STATES | Fixed Income Funds [Member]      
Allocation   45.00% 37.00%
UNITED STATES | Real Estate and Other [Member]      
Allocation   4.00% 7.00%
UNITED STATES | Defined Benefit Plan, Cash [Member]      
Allocation   3.00% 0.00%
Foreign Plan [Member]      
Allocation   100.00% 100.00%
Foreign Plan [Member] | Defined Benefit Plan, Equity Securities [Member]      
Allocation   27.00% 25.00%
Foreign Plan [Member] | Fixed Income Funds [Member]      
Allocation   42.00% 44.00%
Foreign Plan [Member] | Real Estate and Other [Member]      
Allocation   27.00% 28.00%
Foreign Plan [Member] | Defined Benefit Plan, Cash [Member]      
Allocation   4.00% 3.00%
Forecast [Member] | UNITED STATES      
Target allocation 100.00%    
Forecast [Member] | UNITED STATES | Defined Benefit Plan, Equity Securities [Member]      
Target allocation 48.00%    
Forecast [Member] | UNITED STATES | Fixed Income Funds [Member]      
Target allocation 46.00%    
Forecast [Member] | UNITED STATES | Real Estate and Other [Member]      
Target allocation 3.00%    
Forecast [Member] | UNITED STATES | Defined Benefit Plan, Cash [Member]      
Target allocation 3.00%    
Forecast [Member] | Foreign Plan [Member]      
Target allocation 100.00%    
Forecast [Member] | Foreign Plan [Member] | Defined Benefit Plan, Equity Securities [Member]      
Target allocation 27.00%    
Forecast [Member] | Foreign Plan [Member] | Fixed Income Funds [Member]      
Target allocation 46.00%    
Forecast [Member] | Foreign Plan [Member] | Real Estate and Other [Member]      
Target allocation 25.00%    
Forecast [Member] | Foreign Plan [Member] | Defined Benefit Plan, Cash [Member]      
Target allocation 2.00%