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Note 4 - Labor Costs - Labor Costs (Included in Cost of Sales and in Selling, General and Administrative Expenses) - Number of Employees (Details)
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of geographical areas [line items]      
Number of employees 19,028 23,200 22,967
ARGENTINA      
Disclosure of geographical areas [line items]      
Number of employees 4,376 5,405 5,427
MEXICO      
Disclosure of geographical areas [line items]      
Number of employees 4,501 5,370 5,595
UNITED STATES      
Disclosure of geographical areas [line items]      
Number of employees 1,596 2,255 2,382
ITALY      
Disclosure of geographical areas [line items]      
Number of employees 2,039 2,144 2,155
ROMANIA      
Disclosure of geographical areas [line items]      
Number of employees 1,552 1,815 1,852
BRAZIL      
Disclosure of geographical areas [line items]      
Number of employees 1,360 1,360 1,287
COLOMBIA      
Disclosure of geographical areas [line items]      
Number of employees 746 1,040 1,082
CANADA      
Disclosure of geographical areas [line items]      
Number of employees 561 772 1,030
INDONESIA      
Disclosure of geographical areas [line items]      
Number of employees 521 616 554
JAPAN      
Disclosure of geographical areas [line items]      
Number of employees 399 400 399
Other geographical areas [member]      
Disclosure of geographical areas [line items]      
Number of employees 1,377 2,023 1,204