Supplemental Guarantor Financial Information (Income Statement) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Sales	$ 1,381,400	$ 1,204,000	$ 1,224,400	$ 1,068,100	$ 1,389,400	$ 1,229,100	$ 1,239,500	$ 1,096,600	$ 4,877,885	$ 4,954,619	$ 4,751,339
Cost of sales									(3,163,268)	(3,266,524)	(3,170,388)
Gross profit	485,700	421,500	430,300	377,100	470,500	422,700	421,600	373,300	1,714,617	1,688,095	1,580,951
Selling, general and administrative expense									(936,900)	(966,829)	(922,125)
Net earnings from affiliates									12,115	39,017	16,952
Net earnings from consolidated subsidiaries, net of tax									0	0	0
Operating income									789,832	760,283	675,778
Interest expense, net									(58,642)	(52,982)	(42,566)
Other income (expense), net									2,000	(14,280)	(21,647)
Earnings before income taxes	227,300	183,300	176,000	146,600	191,700	182,400	171,300	147,600	733,190	693,021	611,565
Provision for income taxes									(208,305)	(204,701)	(160,766)
Net earnings, including noncontrolling interests									524,885	488,320	450,799
Less: Net earnings attributable to noncontrolling interests									(6,061)	(2,790)	(2,460)
Net earnings attributable to Flowserve Corporation	159,000	128,600	123,500	107,700	141,100	126,300	120,400	97,800	518,824	485,530	448,339
Comprehensive income attributable to Flowserve Corporation									359,895	488,363	440,127
Parent (Issuer)
Condensed Financial Statements, Captions [Line Items]
Sales									0	0	0
Cost of sales									0	0	0
Gross profit									0	0	0
Selling, general and administrative expense									(2,725)	(3,079)	(3,571)
Net earnings from affiliates									0	0	0
Net earnings from consolidated subsidiaries, net of tax									542,391	505,764	456,740
Operating income									539,666	502,685	453,169
Interest expense, net									(35,731)	(29,729)	(9,881)
Other income (expense), net									45	0	0
Earnings before income taxes									503,980	472,956	443,288
Provision for income taxes									14,844	12,574	5,051
Net earnings, including noncontrolling interests									518,824	485,530	448,339
Less: Net earnings attributable to noncontrolling interests									0	0	0
Net earnings attributable to Flowserve Corporation									518,824	485,530	448,339
Comprehensive income attributable to Flowserve Corporation									359,895	488,363	440,127
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Sales									1,944,086	1,952,235	1,833,613
Cost of sales									(1,261,913)	(1,281,035)	(1,190,206)
Gross profit									682,173	671,200	643,407
Selling, general and administrative expense									(395,650)	(400,609)	(390,713)
Net earnings from affiliates									1,079	1,175	3,855
Net earnings from consolidated subsidiaries, net of tax									372,848	345,465	309,223
Operating income									660,450	617,231	565,772
Interest expense, net									(10,824)	(11,685)	(19,347)
Other income (expense), net									(11,697)	(767)	(683)
Earnings before income taxes									637,929	604,779	545,742
Provision for income taxes									(95,538)	(99,015)	(89,002)
Net earnings, including noncontrolling interests									542,391	505,764	456,740
Less: Net earnings attributable to noncontrolling interests									0	0	0
Net earnings attributable to Flowserve Corporation									542,391	505,764	456,740
Comprehensive income attributable to Flowserve Corporation									383,198	508,929	446,536
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Sales									3,284,577	3,388,258	3,272,519
Cost of sales									(2,252,133)	(2,371,363)	(2,334,975)
Gross profit									1,032,444	1,016,895	937,544
Selling, general and administrative expense									(538,525)	(563,141)	(527,841)
Net earnings from affiliates									11,036	37,842	13,097
Net earnings from consolidated subsidiaries, net of tax									0	0	0
Operating income									504,955	491,596	422,800
Interest expense, net									(12,087)	(11,568)	(13,338)
Other income (expense), net									13,652	(13,513)	(20,964)
Earnings before income taxes									506,520	466,515	388,498
Provision for income taxes									(127,611)	(118,260)	(76,815)
Net earnings, including noncontrolling interests									378,909	348,255	311,683
Less: Net earnings attributable to noncontrolling interests									(6,061)	(2,790)	(2,460)
Net earnings attributable to Flowserve Corporation									372,848	345,465	309,223
Comprehensive income attributable to Flowserve Corporation									184,648	316,484	292,167
Eliminations
Condensed Financial Statements, Captions [Line Items]
Sales									(350,778)	(385,874)	(354,793)
Cost of sales									350,778	385,874	354,793
Gross profit									0	0	0
Selling, general and administrative expense									0	0	0
Net earnings from affiliates									0	0	0
Net earnings from consolidated subsidiaries, net of tax									(915,239)	(851,229)	(765,963)
Operating income									(915,239)	(851,229)	(765,963)
Interest expense, net									0	0	0
Other income (expense), net									0	0	0
Earnings before income taxes									(915,239)	(851,229)	(765,963)
Provision for income taxes									0	0	0
Net earnings, including noncontrolling interests									(915,239)	(851,229)	(765,963)
Less: Net earnings attributable to noncontrolling interests									0	0	0
Net earnings attributable to Flowserve Corporation									(915,239)	(851,229)	(765,963)
Comprehensive income attributable to Flowserve Corporation									$ (567,846)	$ (825,413)	$ (738,703)