Goodwill and Intangible Assets, Net (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2024
Indefinite-lived Intangible Assets [Line Items]
Impairment losses			$ 0	$ 1,517,000
Renewals				0
Maximum | Engineered Materials
Indefinite-lived Intangible Assets [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount		10.00%	10.00%
Trademarks and Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment loss (Note 2)				117,000
Engineered Materials
Indefinite-lived Intangible Assets [Line Items]
Impairment losses	$ (1,500,000)			$ 1,517,000
Engineered Materials | Trademarks and Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Impairment loss (Note 2)	$ 83,000	$ 34,000