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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ 3,193	$ (17,806)	$ (20,733)	$ (29,114)
Other comprehensive income net of tax:
Loss on pension settlement	313	8,105	313	8,105
Unrealized gain on foreign currency derivatives	34	0	34	0
Pension and postretirement liability adjustments, net of tax	573	(323)	650	(156)
Comprehensive income (loss)	$ 4,113	$ (10,024)	$ (19,736)	$ (21,165)

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