Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net earnings, including noncontrolling interests	$ 53,650	$ 61,963	$ 66,323	$ 172,902
Other comprehensive income (loss):
Foreign currency translation adjustments, net of taxes	25,204	(30,600)	(41,022)	(26,503)
Pension and other postretirement effects, net of taxes	(976)	3,648	7,091	7,051
Cash flow hedging activity	41	44	139	149
Other comprehensive income (loss)	24,269	(26,908)	(33,792)	(19,303)
Comprehensive income (loss), including noncontrolling interests	77,919	35,055	32,531	153,599
Comprehensive (income) loss attributable to noncontrolling interests	(2,643)	(2,055)	(7,662)	(7,258)
Comprehensive income (loss) attributable to Flowserve Corporation	$ 75,276	$ 33,000	$ 24,869	$ 146,341