Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Sales	$ 3,541,060	$ 3,728,134	$ 3,939,697
Cost of sales	(2,491,335)	(2,611,365)	(2,650,354)
Gross profit	1,049,725	1,116,769	1,289,343
Selling, general and administrative expense	(797,076)	(878,245)	(913,203)
Gain on sale of business	1,806	0	0
Net earnings from affiliates	16,304	11,753	10,483
Operating income	270,759	250,277	386,623
Interest expense	(57,617)	(56,185)	(54,980)
Loss on extinguishment of debt	(46,176)	(1,201)	0
Interest income	2,764	4,175	8,409
Other income (expense), net	(36,142)	5,226	(17,619)
Earnings before income taxes	133,588	202,292	322,433
(Provision for) benefit from income taxes	2,594	(61,417)	(75,493)
Net earnings, including noncontrolling interests	136,182	140,875	246,940
Less: Net earnings attributable to noncontrolling interests	(10,233)	(10,455)	(8,112)
Net earnings attributable to Flowserve Corporation	$ 125,949	$ 130,420	$ 238,828
Net earnings per share attributable to Flowserve Corporation common shareholders:
Basic (in dollars per share)	$ 0.97	$ 1.00	$ 1.82
Diluted (in dollars per share)	$ 0.96	$ 1.00	$ 1.81
Weighted average shares - basic (in shares)	130,305	130,395	131,034
Weighted average shares - diluted (in shares)	130,857	131,050	131,719