Short-Term Borrowings and Long-Term Debt (Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Industrial Development Revenue Bond [Member]
Percentage spread points on variable rate debt instrument	0.85%
Long-term Debt	$ 5,429	$ 5,429
Variable interest rate of debt	1.04%	1.09%
Unsecured Notes Payable to Bank [Member]
Percentage spread points on variable rate debt instrument	0.65%
Long-term Debt	0	0
Multi-Currency Revolving Credit Facility [Member]
Borrowings under revolving credit facility	$ 0	$ 0