Goodwill Impairment Analysis, Future Cash Flows, Measurement Input

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Goodwill Impairment Analysis, Projected Increase (Decrease) in Measurement Input

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Goodwill Impairment Analysis, Projected Increase (Decrease) in Operating Profits

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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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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth 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 third 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 second 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 increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of fair value of reporting unit in excess of carrying amount.

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Goodwill and other intangible assets - Additional Information (Details) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2021	Nov. 30, 2021	Oct. 03, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 30, 2021	Nov. 08, 2021	Jan. 01, 2021
Goodwill [Line Items]
Goodwill, impairment loss			$ 0
Goodwill	$ 1,324,501,000			$ 1,324,501,000	$ 1,389,255,000
Aggregate amortization expense				49,419,000	$ 52,899,000	$ 51,580,000
Amortization expense on other intangible assets in 2022	45,800,000			45,800,000
Amortization expense on other intangible assets in 2023	41,800,000			41,800,000
Amortization expense on other intangible assets in 2024	33,500,000			33,500,000
Amortization expense on other intangible assets in 2025	25,200,000			25,200,000
Amortization expense on other intangible assets in 2026	21,700,000			$ 21,700,000
D&W
Goodwill [Line Items]
Goodwill								$ 4,108,000
American Recycling
Goodwill [Line Items]
Goodwill							$ 989,000
Customer Lists and Patents \| D&W
Goodwill [Line Items]
Intangible assets acquired		$ 7,100,000
Customer Lists and Patents \| American Recycling
Goodwill [Line Items]
Intangible assets acquired	2,236,000
Other
Goodwill [Line Items]
Useful lives of intangible asset				10 years
Plastics - Healthcare
Goodwill [Line Items]
Goodwill	$ 64,263,000			$ 64,263,000
Excess of fair value of reporting unit over carrying value (percent)	13.30%			13.30%
Plastics - Healthcare \| Discount Rate
Goodwill [Line Items]
Discount rate (percent)	8.30%			8.30%
Protexic
Goodwill [Line Items]
Projected decrease in operating profit for estimated fair value to fall below carrying value (percent)									(13.00%)
Protexic \| Discount Rate
Goodwill [Line Items]
Change necessary in order for estimated fair value to fall below carrying value (percent)									9.30%