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Derivative Instruments and Hedging Activities - Derivative Instrument Gain (Loss) (Details)

v3.10.0.1
Derivative Instruments and Hedging Activities - Derivative Instrument Gain (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Derivative    
Change in net unrealized gains or losses $ 13,794 $ 444
Gains (losses) reclassified from accumulated OCI into income (effective portion) 1,037 2,118
Derivatives Designated as Hedging Instruments    
Derivative    
Gains (losses) reclassified from accumulated OCI into income (effective portion) 1,037 2,118
Derivatives Designated as Hedging Instruments | Accumulated OCI    
Derivative    
Change in net unrealized gains or losses 13,794 444
Derivatives Designated as Hedging Instruments | Revenues    
Derivative    
Gains (losses) reclassified from accumulated OCI into income (effective portion) 983 968
Derivatives Designated as Hedging Instruments | Costs of revenues    
Derivative    
Gains (losses) reclassified from accumulated OCI into income (effective portion) (134) 961
Derivatives Designated as Hedging Instruments | Interest expense    
Derivative    
Gains (losses) reclassified from accumulated OCI into income (effective portion) 188 189
Derivatives Designated as Hedging Instruments | Other expense (income), net    
Derivative    
Gains (losses) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing) 229 (71)
Derivatives Not Designated as Hedging Instruments | Other expense (income), net    
Derivative    
Gains (losses) recognized in income $ 3,763 $ 439