The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Property, Plant and Equipment - Narrative (Details) - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 07, 2021	Sep. 30, 2020	Sep. 07, 2021	Sep. 30, 2020	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property, plant and equipment, net	$ 1,956,900,000					$ 1,729,100,000
Depreciation	21,800,000	$ 49,400,000	$ 68,300,000	$ 185,000,000.0	$ 210,000,000.0
Asset impairment losses	0	$ 0	$ 0	$ 0	$ 0
Fair Value, Inputs, Level 3 [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, net	$ 162,100,000