Information on Business Segments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) Segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | Segment	2
Revenues	$ 1,261,868	$ 1,258,846	$ 1,124,391
Operating profit	57,119	150,018	123,370
Assets	2,413,730	2,576,820	2,676,200
Depreciation and amortization	92,150	91,085	87,656
Capital expenditures	35,082	34,117	40,698
Interest expense	14,624	16,209	15,944
Other expense (income), net	4,310	5,992	5,931
Income before income taxes	$ 38,185	$ 127,817	$ 101,495
General Electric [Member]
Segment Reporting Information [Line Items]
Revenue by major customer	20.00%	16.00%	17.00%
Industrial [Member]
Segment Reporting Information [Line Items]
Revenues	$ 832,715	$ 896,483	$ 770,119
Operating profit	(19,100)	97,700	66,600
Assets	1,680,400	1,827,900	1,908,400
Depreciation and amortization	54,100	57,500	57,700
Capital expenditures	19,200	21,300	19,400
Aerospace [Member]
Segment Reporting Information [Line Items]
Revenues	429,153	362,363	354,272
Operating profit	76,200	52,300	56,800
Assets	590,600	583,000	623,500
Depreciation and amortization	37,300	32,800	29,000
Capital expenditures	14,900	12,700	20,800
Other [Member]
Segment Reporting Information [Line Items]
Revenues	0	0	0
Operating profit	0	0	0
Assets	142,700	165,900	144,300
Depreciation and amortization	700	900	900
Capital expenditures	$ 1,000	$ 200	$ 500