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GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 36.2	$ 27.1	$ 27.6
Expected amortization expense in 2021	41.3
Expected amortization expense in 2022	40.8
Expected amortization expense in 2023	40.8
Expected amortization expense in 2024	37.8
Expected amortization expense in 2025	36.4
Cobra Plastics and the Albea Dispensing Business | Customer Relationships
Goodwill [Line Items]
Customer relationship intangible asset	266.5
Cobra Plastics and the Albea Dispensing Business | Technology-Based Intangible Assets
Goodwill [Line Items]
Customer relationship intangible asset	$ 28.0

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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