Debt and Borrowings (Components of Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017
Line of Credit Facility [Line Items]
Other borrowings	$ 8,455	$ 8,672
Long-term debt	764,623	750,148
Short-term borrowings and current portion of long-term debt	18,231	9,844
Long-term debt, less current portion	746,392	740,304
Credit Agreement borrowings payable to banks [Member]
Line of Credit Facility [Line Items]
Line of credit facility	739,678	733,715
Tilda short-term borrowing arrangements [Member]
Line of Credit Facility [Line Items]
Line of credit facility	$ 16,490	$ 7,761