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Derivative Financial Instruments (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 3 Months Ended
Mar. 31, 2014
Interest Rate Swap [Member]
Mar. 31, 2014
Foreign Exchange Forward [Member]
Derivative [Line Items]    
Derivative, Notional Amount $ 165,000 $ 138,531
Notional value of contracts with future start date 65,000 [1]  
Total current and future notional amount $ 230,000  
Derivative, Number of Instruments Held 8 157
Derivative, Underlying Basis one-month LIBOR Various
Hedge Designations Used for Foreign Currency Derivatives   Non-designated
[1] These contracts will replace a portion of our current contracts when they expire.