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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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Impairment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Impairment (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2020
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill, Impairment Loss	$ 46,792	$ 0	$ 46,792	$ 0
Loss of Future Sales Projection					$ 70,000
Personal Care Materials [Member] \| PE Films
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill, Impairment Loss	46,800
Goodwill, Impairment Loss, Net of Tax	$ 38,200