Quarterly report pursuant to Section 13 or 15(d)

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

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Commitments and Contingencies- Commitments as a Result of Acquisitions (Details)
$ in Thousands
Mar. 31, 2016
USD ($)
Jun. 30, 2014
GBP (£)
EEX    
Loss Contingencies [Line Items]    
Business combination, contingent consideration arrangements, range of outcomes, value, high $ 6,466 £ 4,500,000