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Shareholders' equity and share-based payments - Dividend (Details) - € / shares
Feb. 05, 2020
Oct. 29, 2019
Jul. 24, 2019
Apr. 25, 2019
Dividend        
Dividend for the 2019 fiscal year, to be submitted at shareholders' meeting (in Euros per share) € 2.68      
Final dividend proposed by Board of Directors (in Euros per share) € 0.68      
Percentage of increase in final dividend per share 3.00%      
Dividend recognised (in Euros per share)   € 0.68 € 0.66 € 0.66