Notes to the consolidated statements of income - Earnings per share (Details) - EUR (€) € / shares in Units, € in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerators:
Net income attributable to shareholders of FMC-AG & Co. KGaA	€ 332,584	€ 284,614	€ 857,113	€ 1,557,150
Denominators:
Weighted average number of shares outstanding	301,440,412	306,495,661	303,832,868	306,434,923
Potentially dilutive shares		824,459	83,518	807,212
Basic earnings per share (in dollars per share)	€ 1.10	€ 0.93	€ 2.82	€ 5.08
Diluted earnings per share (in dollars per share)	€ 1.10	€ 0.93	€ 2.82	€ 5.07

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]

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The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

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