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Condensed Consolidated Balance Sheets (Parenthetical) - € / shares
Jun. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Ordinary shares, par value (in Euros per share) € 0.10 € 0.10
Ordinary shares, authorized (in shares) 500,000,000 500,000,000
Ordinary shares, issued (in shares) 136,684,273 130,967,671
Ordinary shares, outstanding (in shares) 134,485,477 129,121,576
Treasury shares, at cost (in shares) 2,198,796 1,846,095