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Fair Value Measurement (Reconciliation of Recurring Unobservable Inputs) (Details) - Investments
$ in Thousands
3 Months Ended
Sep. 30, 2015
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 4,802
Additions to Level 3 0
Unrealized gains for the period included in other income, net 0
Payments (1,728)
Ending balance $ 3,074