ACCUMULATED OTHER COMPREHENSIVE LOSS - Components of Total Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 2,334.7	$ 2,597.1	$ 2,908.6
Ending Balance	2,434.4	2,334.7	2,597.1
Currency Translation (Loss) Income Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(318.1)	(362.3)	(283.0)
Period change	43.5	8.5	(79.3)
Ending Balance	(187.4)	(318.1)	(362.3)
Currency Translation (Loss) Income Adjustments \| Mexico Operations
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI		18.9
Currency Translation (Loss) Income Adjustments \| Chile Operations
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI		16.8
Currency Translation (Loss) Income Adjustments \| Argentina Operations
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification from AOCI	87.2
Unrealized Gains (Losses) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	0.0	(3.0)	(4.0)
Period change	0.0	0.7	1.0
Reclassification from AOCI		2.3
Ending Balance	0.0	0.0	(3.0)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(318.1)	(365.3)	(287.0)
Period change	43.5	9.2	(78.3)
Ending Balance	$ (187.4)	$ (318.1)	$ (365.3)

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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