Supplemental Financial Information (Other Operating (Income) Expense, Net) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
UTIS fire
Fixed assets write-offs		$ 0	$ 0
Inventory charges		0	0
Professional services		0	0
Lease obligations	$ 994	0	0
Lease impairments	495	0	0
Compensation & benefits		0	0
Third-party property claims	4,650	0	0
Other	155	0	0
Insurance recoveries	(6,900)	0	0
Total UTIS fire	6,210	0	0
Lease income	0	0	(989)
Depreciation on leased assets	0	0	1,907
Loss (gain) on sale or disposal of property, plant and equipment	(880)	41	756
Indemnity claim settlements from acquisitions	0	0	(715)
Economic incentive grants	0	(145)	0
Total other operating (income) expense, net	$ 5,330	$ (104)	$ 959