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Derivatives and Hedging Activities - Narrative (Details) - USD ($)
Dec. 31, 2015
Jun. 30, 2015
Forward foreign currency exchange contracts    
Derivative [Line Items]    
Notional amount of foreign currency contracts outstanding $ 83,700,000.0 $ 80,600,000.0
Cross currency swap agreements | Network1    
Derivative [Line Items]    
Derivative asset, fair value   $ 100,000