Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives Assets	$ 862	$ 1,665
Total assets at fair value	862	1,665
Derivatives Liabilities	184	207
Total liabilities at fair value	184	207
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives Assets	862	1,665
Total assets at fair value	862	1,665
Derivatives Liabilities	184	207
Total liabilities at fair value	$ 184	$ 207