Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Sales	$ 924,301	$ 995,709	$ 2,742,826	$ 2,871,517
Cost of sales	(639,092)	(662,856)	(1,921,451)	(1,931,756)
Gross profit	285,209	332,853	821,375	939,761
Selling, general and administrative expense	(200,729)	(230,362)	(675,523)	(665,625)
Net earnings from affiliates	2,842	2,087	9,125	8,057
Operating income	87,322	104,578	154,977	282,193
Interest expense	(14,710)	(13,981)	(40,608)	(42,025)
Interest income	673	2,253	3,571	6,494
Other income (expense), net	(963)	(8,477)	7,558	(15,153)
Earnings before income taxes	72,322	84,373	125,498	231,509
Provision for income taxes	(18,672)	(22,410)	(59,175)	(58,607)
Net earnings, including noncontrolling interests	53,650	61,963	66,323	172,902
Less: Net earnings attributable to noncontrolling interests	(2,647)	(2,121)	(6,890)	(6,659)
Net earnings attributable to Flowserve Corporation	$ 51,003	$ 59,842	$ 59,433	$ 166,243
Net earnings per share attributable to Flowserve Corporation common shareholders:
Basic (in dollars per share)	$ 0.39	$ 0.46	$ 0.46	$ 1.27
Diluted (in dollars per share)	$ 0.39	$ 0.45	$ 0.45	$ 1.26