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Short-Term Borrowings and Long-Term Debt (Narrative) (Details)
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Jun. 30, 2012
USD ($)
quarter
Jun. 30, 2011
USD ($)
Jun. 30, 2010
USD ($)
Jun. 30, 2012
Foreign Line of Credit [Member]
EUR (€)
Jun. 30, 2012
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Jun. 30, 2011
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Oct. 11, 2011
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Jun. 30, 2012
Multi-Currency Revolving Credit Facility, Accordion Feature [Member]
USD ($)
Jun. 30, 2012
Multi-Currency Revolving Credit Facility, Combined with Accordion Feature [Member]
USD ($)
Jun. 30, 2012
Libor-Based Loans [Member]
Jun. 30, 2012
Prime Rate-Based Loans [Member]
Jun. 30, 2012
Minimum [Member]
Foreign Line of Credit [Member]
Jun. 30, 2012
Minimum [Member]
Multi-Currency Revolving Credit Facility [Member]
Jun. 30, 2012
Minimum [Member]
Libor-Based Loans [Member]
Jun. 30, 2012
Minimum [Member]
Prime Rate-Based Loans [Member]
Jun. 30, 2012
Maximum [Member]
Foreign Line of Credit [Member]
EUR (€)
Jun. 30, 2012
Maximum [Member]
Multi-Currency Revolving Credit Facility [Member]
Jun. 30, 2012
Maximum [Member]
Libor-Based Loans [Member]
Jun. 30, 2012
Maximum [Member]
Prime Rate-Based Loans [Member]
Jun. 30, 2012
Unsecured Notes Payable to Bank [Member]
Jan. 02, 2008
Unsecured Notes Payable to Bank [Member]
USD ($)
Jun. 30, 2012
Industrial Development Revenue Bond [Member]
Jun. 30, 2012
Letter of Credit [Member]
Maximum [Member]
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Borrowing capacity under credit facility       € 6,000,000 $ 300,000,000   $ 250,000,000 $ 150,000,000 $ 450,000,000                           $ 50,000,000
Percentage spread points on variable rate debt instrument       1.25%           1.00% 0.00% 1.25%   1.00% 0.00% 2.00%   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                                            
Revolving credit facility, amount borrowed         1,408,500,000 769,500,000                                  
Revolving credit facility, amount repaid         1,433,200,000 743,900,000                                  
Net cash flows on revolving credit facility (25,999,000) 25,376,000 0                                        
Percentage of capital stock or other equity interest pledged per credit agreement         65.00%                                    
Revolving credit facility, amount outstanding         0 26,513,000                                  
Average daily balance on revolving credit facility         78,600,000 14,200,000                                  
Amount available for additional borrowings         300,000,000 223,500,000                                  
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