Notes to the consolidated statements of income - Earnings per share (Details) - EUR (€) € / shares in Units, € in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerators:
Net income attributable to shareholders of FMC-AG & Co. KGaA	€ 350,972	€ 253,780	€ 633,691	€ 524,529
Denominators:
Weighted average number of shares outstanding	292,733,283	303,456,178	295,287,813	305,048,922
Potentially dilutive shares	240,359	107,755	221,971	118,134
Basic earnings per share	€ 1.20	€ 0.84	€ 2.15	€ 1.72
Diluted earnings per share	€ 1.20	€ 0.84	€ 2.14	€ 1.72

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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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