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Legal contingencies (Details) (EUR €) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Legal contingencies (Textual) [Abstract]
Litigation charges	€ 0	€ 0	€ 1.5

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- Details

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- Definition

Legal charges related to litigation when the related legal services are actually provided.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant