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

Financial Instruments (Schedule of Composition of Derivatives) (Details)

v3.8.0.1
Financial Instruments (Schedule of Composition of Derivatives) (Details) - EUR (€)
€ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about financial instruments [line items]    
Derivatives presented under current liabilities € 121 € 479
Derivatives presented under non-current liabilities (4,312) (2,327)
Forward contract [Member]    
Disclosure of detailed information about financial instruments [line items]    
Derivatives presented under non-current liabilities (2,650) (48)
Currency swap [Member]    
Disclosure of detailed information about financial instruments [line items]    
Derivatives presented under non-current liabilities (1,244)
Swap contract [Member]    
Disclosure of detailed information about financial instruments [line items]    
Derivatives presented under current liabilities (121) (479)
Derivatives presented under non-current liabilities € (418) € (2,279)