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Note 4 - Labor Costs - Summary of Labor Costs (Included in Cost of Sales and in Selling, General and Administrative Expenses) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of labor costs [abstract]      
Wages, salaries and social security costs $ 1,594,200 $ 1,170,562 $ 1,036,211
Severance indemnities 29,070 28,625 142,458
Defined contribution plans 13,256 12,608 12,442
Pension benefits - defined benefit plans 16,320 13,353 11,097
Employee retention and long-term incentive program 25,739 25,337 (413)
Total employee benefits expense $ 1,678,585 $ 1,250,485 $ 1,201,795