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Short Term Borrowings and Long Term Debt (Narrative) (Details)
12 Months Ended 12 Months Ended
Jun. 30, 2011
USD ($)
Jun. 30, 2009
USD ($)
Jun. 30, 2011
Industrial Development Revenue Bond [Member]
Jun. 30, 2011
Unsecured Notes Payable to Bank [Member]
Jan. 02, 2008
Unsecured Notes Payable to Bank [Member]
USD ($)
Jun. 30, 2011
Minimum [Member]
Libor-Based Loans [Member]
Jun. 30, 2011
Minimum [Member]
Prime Rate-Based Loans [Member]
Jun. 30, 2011
Maximum [Member]
Libor-Based Loans [Member]
Jun. 30, 2011
Maximum [Member]
Prime Rate-Based Loans [Member]
Jun. 30, 2011
Secured Revolving Credit Facility [Member]
EUR (€)
Jun. 30, 2011
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Jun. 30, 2010
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Jun. 30, 2011
Multi-Currency Revolving Credit Facility, Accordion Feature [Member]
USD ($)
Jun. 30, 2011
Multi-Currency Revolving Credit Facility, Combined with Accordion Feature [Member]
USD ($)
Jun. 30, 2011
Libor-Based Loans [Member]
Jun. 30, 2011
Prime Rate-Based Loans [Member]
Borrowing capacity under credit facility                   € 6,000,000 $ 250,000,000   $ 50,000,000 $ 300,000,000    
Percentage spread points on variable rate debt instrument     0.85% 0.65%   0.50% 0.00% 1.25% 0.25% 1.25%         0.50% 0.00%
Maturity of credit facility                     September 28, 2012          
Revolving credit facility, amount borrowed                     769,500,000 141,900,000        
Revolving credit facility, amount repaid                     743,900,000 141,900,000        
Net cash flows on revolving credit facility 25,376,000 (26,141,000)                 25,600,000 0        
Revolving credit facility increase, due to currency translation                     900,000          
Revolving credit facility, amount outstanding                     26,513,000          
Average daily balance on revolving credit facility                     14,200,000 1,400,000        
Amount available for additional borrowings                     223,500,000 250,000,000        
Maximum time period of interest (years)     10                          
Face amount of debt         $ 25,000,000                      
Maturity date of debt instrument Sep. 01, 2032 Sep. 28, 2012