Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical)(EUR (€))
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Consolidated Balance Sheets [Abstract]    
Ordinary share capital, par value € 0.01 € 0.01
Ordinary share capital, shares authorized 250,000,000 250,000,000
Ordinary share capital, shares issued 149,232,426 149,232,426
Ordinary share capital, shares outstanding 149,232,426 149,232,426
Treasury stock, shares 9,332,982