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NONCONTROLLING INTERESTS - Narrative (Details) $ in Thousands, € in Millions			12 Months Ended
	Oct. 01, 2020 USD ($)	Oct. 01, 2020 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2020
Noncontrolling Interest [Line Items]
Purchase of subsidiary shares from noncontrolling interest	$ 578,200	€ 493.0	$ 578,196	$ 0	$ 0
Reduction in equity attributable to noncontrolling interest	68,400
Reduction in total equity attributable to parent			509,800
Foreign currency translation attributable to noncontrolling interests	$ (12,100)		$ 14,643	$ (2,725)	$ (2,696)
Comercia
Noncontrolling Interest [Line Items]
Ownership interest (as a percent)	80.00%	80.00%				51.00%

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