Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net earnings, including noncontrolling interests	$ 369,802	$ 301,226	$ 205,188
Other comprehensive income (loss):
Foreign currency translation adjustments, net of taxes of $2,387, ($3,023), and $3,735, respectively	146,636	(108,224)	30,810
Pension and other postretirement effects, net of taxes of ($6,965), ($128), and $8,700, respectively	19,225	5,984	(35,526)
Cash flow hedging activity, net of taxes of ($30), ($57), and $0, respectively	97	66	120
Other comprehensive income (loss):	165,958	(102,174)	(4,596)
Comprehensive income including noncontrolling interests	535,760	199,052	200,592
Comprehensive (income) loss attributable to noncontrolling interests	(23,495)	(18,117)	(5,661)
Comprehensive income attributable to Flowserve Corporation	$ 512,265	$ 180,935	$ 194,931