Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies Commitments and Contingencies- Commitments as a Result of Acquisitions (Details)

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Commitments and Contingencies Commitments and Contingencies- Commitments as a Result of Acquisitions (Details) (EEX, GBP £)
In Millions, unless otherwise specified
Sep. 30, 2014
EEX
 
Loss Contingencies [Line Items]  
Business combination, contingent consideration arrangements, range of outcomes, value, high £ 4.5