Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Sales	$ 3,944,850	$ 3,832,666	$ 3,660,831
Cost of sales	(2,649,480)	(2,644,830)	(2,571,878)
Gross profit	1,295,370	1,187,836	1,088,953
Selling, general and administrative expense	(899,813)	(943,714)	(901,727)
Gain (loss) on sale of businesses	0	(7,727)	141,317
Net earnings from affiliates	10,483	11,143	12,592
Operating income	406,040	247,538	341,135
Interest expense	(54,980)	(58,160)	(59,730)
Interest income	8,409	6,465	3,429
Other income (expense), net	(17,619)	(19,569)	(21,827)
Earnings before income taxes	341,850	176,274	263,007
Provision for income taxes	(80,070)	(51,224)	(258,679)
Net earnings, including noncontrolling interests	261,780	125,050	4,328
Less: Net earnings attributable to noncontrolling interests	(8,112)	(5,379)	(1,676)
Net earnings attributable to Flowserve Corporation	$ 253,668	$ 119,671	$ 2,652
Net earnings per share attributable to Flowserve Corporation common shareholders:
Basic (in dollars per share)	$ 1.94	$ 0.91	$ 0.02
Diluted (in dollars per share)	$ 1.93	$ 0.91	$ 0.02