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LABOR COSTS (Included Cost of sales and Selling, General and Administrative expenses) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) employee	Dec. 31, 2019 USD ($) employee	Dec. 31, 2018 USD ($) employee
Labor Costs [Abstract]
Wages, salaries and social security costs	$ 677,541	$ 759,678	$ 884,536
Termination benefits	25,265	28,269	26,601
Post-employment benefits (Note 20 (i))	36,093	39,086	29,862
Labor costs	$ 738,899	$ 827,033	$ 940,999
Number of employees | employee	20,173	19,863	20,660

X

- Definition

The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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- Definition

The number of personnel employed by the entity at a date.

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- Definition

The amount of post-employment benefit expense relating to defined benefit plans. [Refer: Defined benefit plans [member]]

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The amount of expense from employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services.

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Labor Costs [Abstract]

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