Earnings Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Calculation of net earnings per common share and weighted average common share outstanding    
Net earnings of Flowserve Corporation $ 27,666 $ 107,734
Dividends on restricted shares not expected to vest 3 3
Earnings attributable to common and participating shareholders $ 27,669 $ 107,737
Weighted average shares:    
Common stock 134,388,000 137,123,000
Participating securities 530,000 611,000
Denominator for basic earnings per common share 134,918,000 137,734,000
Effect of potentially dilutive securities 1,036,000 1,136,000
Denominator for diluted earnings per common share 135,954,000 138,870,000
Earnings per common share:    
Basic (in dollars per share) $ 0.21 $ 0.78
Diluted (in dollars per share) $ 0.20 $ 0.78
Options to purchase common stock excluded from computation of dilutive securities 0 0