Retirement and Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	$ 6,047	$ 1,045	$ 19,334	$ (13,476)
Non-Restructuring Charges	1,384	3,749	52,983	12,644
Transformation Charges	4,746	5,058	16,007	21,044
Total Realignment Program Charges	7,431	4,794	72,317	(832)
Total Realignment and Transformation Charges	12,177	9,852	88,324	20,212
FPD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	5,459	234	19,021	(15,180)
Non-Restructuring Charges	2,307	2,752	24,238	10,301
Total Realignment Program Charges	7,766	2,986	43,259	(4,879)
Total Realignment and Transformation Charges	7,766	2,986	43,259	(4,879)
FCD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	588	811	313	1,704
Non-Restructuring Charges	(1,291)	3	12,335	106
Total Realignment Program Charges	(703)	814	12,648	1,810
Total Realignment and Transformation Charges	(703)	814	12,648	1,810
Eliminations and All Other
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	0	0	0	0
Non-Restructuring Charges	368	994	16,410	2,237
Transformation Charges	4,746	5,058	16,007	21,044
Total Realignment Program Charges	368	994	16,410	2,237
Total Realignment and Transformation Charges	5,114	6,052	32,417	23,281
Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	6,047	1,045	19,334	(13,476)
Non-Restructuring Charges	1,016	2,755	36,573	10,407
Total Realignment Program Charges	7,063	3,800	55,907	(3,069)
Total Realignment and Transformation Charges	7,063	3,800	55,907	(3,069)
Cost of Sales
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	6,059	1,008	19,118	3,183
Non-Restructuring Charges	(401)	2,412	21,518	9,603
Total Realignment Program Charges	5,658	3,420	40,636	12,786
Total Realignment and Transformation Charges	5,658	3,420	40,636	12,786
Cost of Sales | FPD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	5,469	197	18,800	1,892
Non-Restructuring Charges	1,210	2,409	13,339	9,531
Total Realignment Program Charges	6,679	2,606	32,139	11,423
Total Realignment and Transformation Charges	6,679	2,606	32,139	11,423
Cost of Sales | FCD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	590	811	318	1,291
Non-Restructuring Charges	(1,366)	3	7,876	72
Total Realignment Program Charges	(776)	814	8,194	1,363
Total Realignment and Transformation Charges	(776)	814	8,194	1,363
Cost of Sales | Eliminations and All Other
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	0	0	0	0
Non-Restructuring Charges	(245)	0	303	0
Total Realignment Program Charges	(245)	0	303	0
Total Realignment and Transformation Charges	(245)	0	303	0
Cost of Sales | Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	6,059	1,008	19,118	3,183
Non-Restructuring Charges	(156)	2,412	21,215	9,603
Total Realignment Program Charges	5,903	3,420	40,333	12,786
Total Realignment and Transformation Charges	5,903	3,420	40,333	12,786
Selling, General and Administrative Expenses
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	(12)	37	216	(16,659)
Non-Restructuring Charges	1,785	1,337	31,465	3,041
Transformation Charges	4,746	5,058	16,007	21,044
Total Realignment Program Charges	1,773	1,374	31,681	(13,618)
Total Realignment and Transformation Charges	6,519	6,432	47,688	7,426
Selling, General and Administrative Expenses | FPD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	(10)	37	221	(17,072)
Non-Restructuring Charges	1,097	343	10,899	770
Total Realignment Program Charges	1,087	380	11,120	(16,302)
Total Realignment and Transformation Charges	1,087	380	11,120	(16,302)
Selling, General and Administrative Expenses | FCD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	(2)	0	(5)	413
Non-Restructuring Charges	75	0	4,459	34
Total Realignment Program Charges	73	0	4,454	447
Total Realignment and Transformation Charges	73	0	4,454	447
Selling, General and Administrative Expenses | Eliminations and All Other
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	0	0	0	0
Non-Restructuring Charges	613	994	16,107	2,237
Transformation Charges	4,746	5,058	16,007	21,044
Total Realignment Program Charges	613	994	16,107	2,237
Total Realignment and Transformation Charges	5,359	6,052	32,114	23,281
Selling, General and Administrative Expenses | Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges	(12)	37	216	(16,659)
Non-Restructuring Charges	1,172	343	15,358	804
Total Realignment Program Charges	1,160	380	15,574	(15,855)
Total Realignment and Transformation Charges	1,160	380	15,574	(15,855)
Domestic Plan
Components of the net periodic cost for retirement and postretirement benefits
Service cost	6,400	5,900	19,400	17,400
Interest cost	3,800	4,500	11,300	13,200
Expected return on plan assets	(6,400)	(6,400)	(19,300)	(19,200)
Amortization of prior service cost	0	0	100	100
Amortization of unrecognized net loss (gain)	1,700	1,000	5,200	2,800
Net periodic cost recognized	5,500	5,000	16,700	14,300
Foreign Plan
Components of the net periodic cost for retirement and postretirement benefits
Service cost	2,000	1,300	5,400	4,200
Interest cost	1,800	2,000	5,000	6,500
Expected return on plan assets	(1,400)	(1,700)	(3,800)	(5,500)
Amortization of prior service cost	100	100	200	200
Amortization of unrecognized net loss (gain)	1,200	600	3,300	2,100
Net periodic cost recognized	3,700	2,300	10,100	7,500
Postretirement Medical Benefits
Components of the net periodic cost for retirement and postretirement benefits
Service cost	0	0	0	0
Interest cost	100	200	400	500
Expected return on plan assets	0	0	0	0
Amortization of prior service cost	0	0	100	100
Amortization of unrecognized net loss (gain)	0	0	(100)	(100)
Net periodic cost recognized	$ 100	$ 200	$ 400	$ 500