Quarterly Financial Data (Unaudited) (Details) (USD $)	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
Quarterly Financial Data [Abstract]
Sales	$ 1,381,400,000		$ 1,204,000,000		$ 1,224,400,000		$ 1,068,100,000		$ 1,389,400,000		$ 1,229,100,000		$ 1,239,500,000		$ 1,096,600,000		$ 4,877,885,000	$ 4,954,619,000	$ 4,751,339,000
Gross profit	485,700,000		421,500,000		430,300,000		377,100,000		470,500,000		422,700,000		421,600,000		373,300,000		1,714,617,000	1,688,095,000	1,580,951,000
Earnings before income taxes	227,300,000		183,300,000		176,000,000		146,600,000		191,700,000		182,400,000		171,300,000		147,600,000		733,190,000	693,021,000	611,565,000
Net earnings attributable to Flowserve Corporation	159,000,000		128,600,000		123,500,000		107,700,000		141,100,000		126,300,000		120,400,000		97,800,000		518,824,000	485,530,000	448,339,000
Earnings per share:
Basic (in dollars per share)	$ 1.17	[1]	$ 0.94	[1]	$ 0.90	[1]	$ 0.78	[1]	$ 1.01	[1]	$ 0.90	[1]	$ 0.85	[1]	$ 0.68	[1]	$ 3.79	$ 3.43	$ 2.86
Diluted (in dollars per share)	$ 1.16	[1]	$ 0.93	[1]	$ 0.90	[1]	$ 0.78	[1]	$ 1.01	[1]	$ 0.90	[1]	$ 0.84	[1]	$ 0.67	[1]	$ 3.76	$ 3.41	$ 2.84
Pre-tax charges, for realignment program																	$ 1,600,000	$ 10,700,000

[1] Earnings per share is computed independently for each of the quarters presented. The sum of the quarters may not equal the total year amount due to the impact of changes in weighted average quarterly shares outstanding.