Pension and Postretirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Mar. 31, 2026	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025	Dec. 31, 2024
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		$ 178	$ 20,057	$ 11,009	$ 25,187
Non-Restructuring Charges		3,140		1,020	2,215
Total Realignment Program Charges				12,029	27,402
Liability recorded		495,425		$ 495,425			$ 561,486
Vesting period				3 years
Restricted Stock
Components of the net periodic cost for retirement and postretirement benefits
Vesting period				3 years
Maximum | Forecast
Components of the net periodic cost for retirement and postretirement benefits
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	$ (7,000)
Minimum | Forecast
Components of the net periodic cost for retirement and postretirement benefits
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	$ (6,000)
Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		178		$ 11,009	25,215
Non-Restructuring Charges		3,172		1,303	1,558
Total Realignment Program Charges				12,312	26,773
Eliminations and All Other
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		0		0	(28)
Non-Restructuring Charges		(32)		(283)	657
Total Realignment Program Charges				(283)	629
FPD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		2,502		6,224
Non-Restructuring Charges		1,135		(605)
Total Realignment Program Charges				5,619
FPD | Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges					12,159
Non-Restructuring Charges					584
Total Realignment Program Charges					12,743
FCD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges				4,785
Non-Restructuring Charges				1,908
Total Realignment Program Charges				6,693
Cost of Sales
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		1,968	7,123	12,693	11,552
Non-Restructuring Charges		3,137		2,426	1,642
Total Realignment Program Charges				15,119	13,194
Cost of Sales | Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		1,968		12,693	11,552
Non-Restructuring Charges		3,137		2,492	1,858
Total Realignment Program Charges				15,185	13,410
Cost of Sales | Eliminations and All Other
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		0		0	0
Non-Restructuring Charges		0		(66)	(216)
Total Realignment Program Charges				(66)	(216)
Cost of Sales | FPD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		787		4,403
Non-Restructuring Charges		1,101		464
Total Realignment Program Charges				4,867
Cost of Sales | FPD | Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges					11,408
Non-Restructuring Charges					1,014
Total Realignment Program Charges					12,422
Cost of Sales | FCD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges				8,290
Non-Restructuring Charges				2,028
Total Realignment Program Charges				10,318
Selling, General and Administrative Expenses
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		(1,790)	(47)	(1,684)	654
Non-Restructuring Charges		3		(1,406)	573
Total Realignment Program Charges				(3,090)	1,227
Selling, General and Administrative Expenses | Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		(1,790)		(1,684)	682
Non-Restructuring Charges		35		(1,189)	(300)
Total Realignment Program Charges				(2,873)	382
Selling, General and Administrative Expenses | Eliminations and All Other
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		0		0	(28)
Non-Restructuring Charges		(32)		(217)	873
Total Realignment Program Charges				(217)	845
Selling, General and Administrative Expenses | FPD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges		1,715		1,821
Non-Restructuring Charges		34		(1,069)
Total Realignment Program Charges				752
Selling, General and Administrative Expenses | FPD | Subtotal–Reportable Segments
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges					751
Non-Restructuring Charges					(430)
Total Realignment Program Charges					321
Selling, General and Administrative Expenses | FCD
Components of the net periodic cost for retirement and postretirement benefits
Restructuring Charges				(3,505)
Non-Restructuring Charges				(120)
Total Realignment Program Charges				(3,625)
Domestic Plan
Components of the net periodic cost for retirement and postretirement benefits
Service cost		200	6,300	400	12,000
Interest cost		5,300	5,000	10,900	10,400
Expected return on plan assets		(5,500)	(5,600)	(11,500)	(11,600)
Amortization of unrecognized prior service cost and other costs		0	0	100	0
Amortization of unrecognized net loss (gain)		100	0	200	0
Net periodic cost recognized		1,600	5,700	3,100	10,800
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		1,500	0	3,000	0
Liability recorded						$ 5,000
Foreign Plan
Components of the net periodic cost for retirement and postretirement benefits
Service cost		1,700	1,300	3,200	2,600
Interest cost		3,700	3,000	6,900	6,000
Expected return on plan assets		(2,200)	(2,000)	(4,200)	(3,900)
Amortization of unrecognized prior service cost and other costs		0	100	200	200
Amortization of unrecognized net loss (gain)		600	700	1,100	1,300
Net periodic cost recognized		3,800	3,100	7,200	6,200
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		0	0	0	0
Postretirement Medical Benefits
Components of the net periodic cost for retirement and postretirement benefits
Service cost		0	0	0	0
Interest cost		0	100	200	300
Expected return on plan assets		0	0	0	0
Amortization of unrecognized prior service cost and other costs		100	100	100	100
Amortization of unrecognized net loss (gain)		(200)	0	(200)	0
Net periodic cost recognized		(100)	200	100	400
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		$ 0	$ 0	$ 0	$ 0