Fair Value Measurements (Schedule of Fair Value Measurements of Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Assets:
Derivative financial instruments, Current	$ 2,461	$ 888
Total derivative financial instruments subject to enforceable netting agreement	2,461	888
Gross amounts offset in balance sheet	(491)
Net amounts present in the balance sheet	1,970	888
Liabilities:
Derivative financial instruments, Current	491	1,057
Total derivative financial instruments subject to enforceable netting agreement	491	1,057
Gross amounts offset in balance sheet	$ (491)
Net amounts presented in consolidated balance sheets		$ 1,057