Short-Term Borrowings and Long-Term Debt (Narrative) (Details)	12 Months Ended					12 Months Ended														12 Months Ended
	Jun. 30, 2013 Foreign Line of Credit [Member] EUR (€)	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] USD ($)	Jun. 30, 2012 Multi-Currency Revolving Credit Facility [Member] USD ($)	Jun. 30, 2013 Multi-Currency Revolving Credit Facility, Accordion Feature [Member] USD ($)	Jun. 30, 2013 Multi-Currency Revolving Credit Facility, Combined with Accordion Feature [Member] USD ($)	Jun. 30, 2013 Minimum [Member] Foreign Line of Credit [Member]	Jun. 30, 2013 Minimum [Member] Multi-Currency Revolving Credit Facility [Member]	Jun. 30, 2013 Maximum [Member] Foreign Line of Credit [Member] EUR (€)	Jun. 30, 2013 Maximum [Member] Multi-Currency Revolving Credit Facility [Member]	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] quarter	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] Alternate Base Rate Loans [Member]	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] Minimum [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] Minimum [Member] Alternate Base Rate Loans [Member]	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] Maximum [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 30, 2013 Multi-Currency Revolving Credit Facility [Member] Maximum [Member] Alternate Base Rate Loans [Member]	Jun. 30, 2013 Unsecured Notes Payable to Bank [Member] USD ($)	Jun. 30, 2012 Unsecured Notes Payable to Bank [Member] USD ($)	Jan. 02, 2008 Unsecured Notes Payable to Bank [Member] USD ($)	Jun. 30, 2013 Industrial Development Revenue Bond [Member] USD ($)	Jun. 30, 2012 Industrial Development Revenue Bond [Member] USD ($)	Jun. 30, 2013 Letter of Credit [Member] Maximum [Member] Multi-Currency Revolving Credit Facility [Member] USD ($)
Long-term Debt																	$ 0	$ 0		$ 5,429,000	$ 5,429,000
Borrowing capacity under credit facility	6,000,000	300,000,000		150,000,000	450,000,000																	50,000,000
Percentage spread points on variable rate debt instrument	1.25%					1.25%		2.00%			1.00%	0.00%	1.00%	0.00%	2.25%	1.25%	0.65%			0.85%
Line of credit facility, unused capacity, commitment fee percentage						0.10%	0.175%	0.275%	0.40%
Line of credit facility, unused capacity, threshhold for commitment fees								3,000,000
Line of credit facility, term (in years)		5 years
Debt issuance costs paid		1,400,000
Maturity of credit facility		Oct. 11, 2016
Debt instrument, covenant requirement, leverage ratio, EBITDA, number of quarters in measurement period										4
Percentage of capital stock or other equity interest pledged per credit agreement		65.00%
Revolving credit facility, amount outstanding		0	0
Average daily balance on revolving credit facility		9,400,000	78,600,000
Amount available for additional borrowings		300,000,000	300,000,000
Face amount of debt																			$ 25,000,000
Maturity date of debt instrument																	Sep. 28, 2012			Sep. 01, 2032
Maximum time period of interest (in years)																				10 years