XML 113 R13.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Cash and cash equivalents and short-term investments | 12 Months Ended
--- | ---
Dec. 31, 2012
Cash and cash equivalents and short-term investments [Abstract] |
Cash and cash equivalents and short-term investments | 4. Cash and cash equivalents and short-term investments Cash and cash equivalents at December 31, 2012 include deposits with high-rated financial institutions and the Dutch government of EUR 775.6 million (2011: EUR 1,818.6 million), investments in AAAm-rated money market funds that invest in high-rated debt securities of financial institutions and governments of EUR 385.4 million (2011: EUR 369.2 million) and interest-bearing bank accounts of EUR 606.6 million (2011: EUR 544.0 million). Our cash and cash equivalents are predominantly denominated in euros and partly in US dollars. Cash and cash equivalents have insignificant interest rate risk and remaining maturities of three months or less at the date of acquisition. No restrictions on usage of cash and cash equivalents exist. The carrying amount of these assets approximates their fair value. Short-term investments have insignificant interest rate risk and remaining maturities longer than three months but less than one year at the date of acquisition. Short-term investments (classified as available for sale securities) consist of the following:
As of December 31, 2012 (in thousands) |  | Cost basis |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Recorded Basis |
Dutch Treasury Certificates |  |  | 279,988 |  |  |  | - |  |  |  | - |  |  |  | 279,988 |
Deposits |  |  | 650,017 |  |  |  | - |  |  |  | - |  |  |  | 650,017 |
Total |  |  | 930,005 |  |  |  | - |  |  |  | - |  |  |  | 930,005 |
We had no short-term investments as of December 31, 2011.

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References No definition available. + Details
Name: | us-gaap_CashCashEquivalentsAndShortTermInvestmentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration