Revenue Recognition (Disaggregation of revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Sales	$ 882,222	$ 898,178	$ 1,703,280	$ 1,755,486
Original Equipment
Disaggregation of Revenue [Line Items]
Sales	411,357	434,484	794,539	841,358
Aftermarket
Disaggregation of Revenue [Line Items]
Sales	470,865	463,694	908,741	914,128
FPD
Disaggregation of Revenue [Line Items]
Sales	614,425	617,434	1,188,412	1,219,600
FPD | Original Equipment
Disaggregation of Revenue [Line Items]
Sales	212,760	220,387	413,100	434,541
FPD | Aftermarket
Disaggregation of Revenue [Line Items]
Sales	401,665	397,047	775,312	785,059
FCD
Disaggregation of Revenue [Line Items]
Sales	267,797	280,744	514,868	535,886
FCD | Original Equipment
Disaggregation of Revenue [Line Items]
Sales	198,597	214,097	381,439	406,817
FCD | Aftermarket
Disaggregation of Revenue [Line Items]
Sales	69,200	66,647	133,429	129,069
North America
Disaggregation of Revenue [Line Items]
Sales	385,448	341,729	731,797	655,950
North America | FPD
Disaggregation of Revenue [Line Items]
Sales	265,657	243,611	504,368	467,582
North America | FCD
Disaggregation of Revenue [Line Items]
Sales	119,791	98,118	227,429	188,368
Latin America
Disaggregation of Revenue [Line Items]
Sales	53,249	61,098	106,418	109,950
Latin America | FPD
Disaggregation of Revenue [Line Items]
Sales	48,294	52,219	95,914	94,256
Latin America | FCD
Disaggregation of Revenue [Line Items]
Sales	4,955	8,879	10,504	15,694
Middle East And Africa
Disaggregation of Revenue [Line Items]
Sales	106,984	96,192	200,034	206,433
Middle East And Africa | FPD
Disaggregation of Revenue [Line Items]
Sales	84,935	69,662	156,636	152,207
Middle East And Africa | FCD
Disaggregation of Revenue [Line Items]
Sales	22,049	26,530	43,398	54,226
Asia Pacific
Disaggregation of Revenue [Line Items]
Sales	169,975	208,319	339,365	411,627
Asia Pacific | FPD
Disaggregation of Revenue [Line Items]
Sales	97,557	119,375	199,156	244,027
Asia Pacific | FCD
Disaggregation of Revenue [Line Items]
Sales	72,418	88,944	140,209	167,600
Europe
Disaggregation of Revenue [Line Items]
Sales	166,566	190,840	325,666	371,526
Europe | FPD
Disaggregation of Revenue [Line Items]
Sales	117,982	132,567	232,338	261,528
Europe | FCD
Disaggregation of Revenue [Line Items]
Sales	$ 48,584	$ 58,273	$ 93,328	$ 109,998