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Financial risk management (Tables) | 12 Months Ended
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Dec. 31, 2012
Financial risk management [Abstract] |
Financial Instruments |
As of December 31 (in thousands) |  | 2012 Notional amount EUR |  |  | Fair Value EUR |  |  | 2011 Notional amount EUR |  |  | Fair Value EUR |
Forward foreign exchange contracts1 |  |  | 262,146 |  |  |  | 16,805 |  |  |  | 389,579 |  |  |  | (23,999) |
Interest rate swaps 2 |  |  | 624,900 |  |  |  | 124,050 |  |  |  | 641,500 |  |  |  | 109,991 |
1 | Relates to forward contracts assigned as a hedge to forecasted sales and purchase transactions and to monetary assets and liabilities, mainly in U.S. dollar and Japanese Yen.
2 | Relates to interest rate swaps assigned as a hedge to interest bearing assets and liabilities, mainly related to the Eurobond; the fair value of the interest rate swaps includes accrued interest.
Derivative financial instruments per category |
|  |  |  | 2012 |  |  |  |  | 2011 |
As of December 31 (in thousands) |  |  |  | Assets EUR |  |  | Liabilities EUR |  |  |  |  | Assets EUR |  |  | Liabilities EUR |
Interest rate swaps - cash flow hedges |  |  |  |  | - |  |  |  | 4,780 |  |  |  |  |  | - |  |  |  | 3,933 |
Interest rate swaps - fair value hedges |  |  |  |  | 128,830 |  |  |  | - |  |  |  |  |  | 113,924 |  |  |  | - |
Forward foreign exchange contracts - cash flow hedges |  |  |  |  | 5,975 |  |  |  | 5,688 |  |  |  |  |  | 11,332 |  |  |  | 3,019 |
Forward foreign exchange contracts - other hedges (no hedge accounting) |  |  |  |  | 16,943 |  |  |  | 425 |  |  |  |  |  | 1,095 |  |  |  | 33,407 |
Total |  |  |  |  | 151,748 |  |  |  | 10,893 |  |  |  |  |  | 126,351 |  |  |  | 40,359 |
Less non-current portion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps - cash flow hedges |  |  |  |  | - |  |  |  | 4,032 |  |  |  |  |  | - |  |  |  | 3,210 |
Interest rate swaps - fair value hedges |  |  |  |  | 101,651 |  |  |  | - |  |  |  |  |  | 92,534 |  |  |  | - |
Total non-current portion |  |  |  |  | 101,651 |  |  |  | 4,032 |  |  |  |  |  | 92,534 |  |  |  | 3,210 |
Total current portion |  |  |  |  | 50,097 |  |  |  | 6,861 |  |  |  |  |  | 33,817 |  |  |  | 37,149 |

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