Accumulated Other Comprehensive Loss (Reclassifications out of AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense, net	$ 4,735	$ (4,882)	$ 193	$ (24,828)
Sales	1,026,232	1,162,247	1,973,480	2,176,867
Tax benefit	(25,122)	(30,920)	(42,812)	(59,426)
Net earnings attributable to Flowserve Corporation	62,997	75,008	100,856	102,674
Net of tax	(2,328)	(4,234)	(4,167)	(9,872)
Cash flow hedging activity
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	(495)	(1,779)	(609)	(4,986)
Cash flow hedging activity | Reclassification out of AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other expense, net			0	(3,327)
Sales	(660)	(2,522)	(814)	(3,704)
Tax benefit	165	743	205	2,045
Net earnings attributable to Flowserve Corporation	(495)	(1,779)	(609)	(4,986)
Amortization of actuarial losses
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification	(2,476)	(3,507)	(4,789)	(6,931)
Prior service costs
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification	(154)	(156)	(305)	(354)
Pension and other post-retirement effects
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax benefit	797	1,208	1,536	2,399
Net of tax	$ (1,833)	$ (2,455)	$ (3,558)	$ (4,886)