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Financial Liabilities - Senior Debt (Details) € in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 EUR (€) | Dec. 31, 2018 EUR (€) | Dec. 31, 2017 EUR (€) | Dec. 31, 2019 USD ($) tranche | Dec. 31, 2019 EUR (€) tranche
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Refinance costs | € 342,965 | € 293,273 | € 263,344 |  |
Income from refinancing effect | 97,850 |  |  |  |
Senior Debt |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Refinance costs |  | € 84,400 |  |  |
Income from refinancing effect | € 97,850 |  |  |  |
Senior Debt Tranche B Maturing 2027 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Debt term | 8 years |  |  |  |
Number of tranches | tranche |  |  |  | 2 | 2
US Dollars | Senior Debt Tranche B Maturing 2027 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | $ 2,500,000 | € 2,227,171
Adjustment to interest rate basis (as a percent) |  |  |  | 2.00% | 2.00%
Interest rate basis | US Libor |  |  |  |
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | $ 2,500,000 | € 2,227,171
US Dollars | Senior Debt Tranche B Maturing 2027 | 2020 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
US Dollars | Senior Debt Tranche B Maturing 2027 | 2021 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
US Dollars | Senior Debt Tranche B Maturing 2027 | 2022 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
US Dollars | Senior Debt Tranche B Maturing 2027 | 2023 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
US Dollars | Senior Debt Tranche B Maturing 2027 | 2024 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
US Dollars | Senior Debt Tranche B Maturing 2027 | 2025 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
US Dollars | Senior Debt Tranche B Maturing 2027 | 2026 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | 25,000 | 22,271
US Dollars | Senior Debt Tranche B Maturing 2027 | 2027 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  | 2,325,000 | 2,071,274
Details by maturity: |  |  |  |  |
Principal amount |  |  |  | $ 2,325,000 | 2,071,274
Euros | Senior Debt Tranche B Maturing 2027 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | € 1,360,000
Adjustment to interest rate basis (as a percent) |  |  |  | 2.25% | 2.25%
Interest rate basis | Euribor |  |  |  |
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | € 1,360,000
Euros | Senior Debt Tranche B Maturing 2027 | 2020 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Euros | Senior Debt Tranche B Maturing 2027 | 2021 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Euros | Senior Debt Tranche B Maturing 2027 | 2022 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Euros | Senior Debt Tranche B Maturing 2027 | 2023 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Euros | Senior Debt Tranche B Maturing 2027 | 2024 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Euros | Senior Debt Tranche B Maturing 2027 | 2025 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Euros | Senior Debt Tranche B Maturing 2027 | 2026 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | 13,600
Euros | Senior Debt Tranche B Maturing 2027 | 2027 |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |
Principal amount |  |  |  |  | 1,264,800
Details by maturity: |  |  |  |  |
Principal amount |  |  |  |  | € 1,264,800

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