ACCUMULATED OTHER COMPREHENSIVE LOSS - Narrative (Details) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) facility	Jan. 01, 2023 facility
Russia Federation \| Metal Containers
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of facilities closed \| facility			2	2
Accumulated Defined Benefit Plans Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification to earnings from the unrecognized net defined benefit plan, net (losses)	$ (6.6)	$ (7.6)	$ (10.2)
Reclassification to earnings from the unrecognized net defined benefit plan, tax	1.6	1.8	2.5
Amortization of net actuarial (losses)	(6.6)	(7.5)	(11.0)
Amortization of net prior service (cost) credit		(0.1)	0.8
Accumulated Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency (losses) gains related to translation	230.3	(147.6)	57.7
Foreign currency gains (losses) related to net investment hedges	(142.3)	61.3	(17.3)
Derivatives used in net investment hedge, tax (provision) benefit	$ 34.4	$ (14.5)	$ 3.8

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