Notes to the consolidated statements of income - Earnings per share (Details) - EUR (€) € / shares in Units, € in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Numerators:
Net income attributable to shareholders of FMC-AG & Co. KGaA	€ 248,946	€ 282,719
Denominators:
Weighted average number of shares outstanding	292,878,085	297,842,343
Potentially dilutive shares	131,477	219,801
Basic earnings per share	€ 0.85	€ 0.95
Diluted earnings per share	€ 0.85	€ 0.95

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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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