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Nature, Principal Activities and Subsidiaries (Details) - IPO € / shares in Units, € in Millions	May 17, 2006 EUR (€) € / shares shares
Nature, principal activities and subsidiaries
Number of ordinary shares issued through public offering | shares	71,000,000
Par value (in Euros per share)	€ 0.50
Share premium	€ 3.90
Total capital increase (including the share premium) | €	€ 312.4
Issue price	€ 4.40

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Per share or per unit amount of equity securities issued.

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The amount of premium in excess of par value per share.

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The increase in equity through the issue of equity instruments.

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The number of shares issued by the entity.

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