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Short-Term Borrowings and Long-Term Debt (Narrative) (Details)
 6 Months Ended 6 Months Ended 6 Months Ended
Dec. 31, 2012
USD ($)
Jun. 30, 2012
USD ($)
Dec. 31, 2012
Foreign Line of Credit [Member]
EUR (€)
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Dec. 31, 2011
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Dec. 31, 2012
Multi-Currency Revolving Credit Facility, Accordion Feature [Member]
USD ($)
Dec. 31, 2012
Multi-Currency Revolving Credit Facility, Combined with Accordion Feature [Member]
USD ($)
Dec. 31, 2012
Minimum [Member]
Foreign Line of Credit [Member]
Dec. 31, 2012
Minimum [Member]
Multi-Currency Revolving Credit Facility [Member]
Dec. 31, 2012
Maximum [Member]
Foreign Line of Credit [Member]
EUR (€)
Dec. 31, 2012
Maximum [Member]
Multi-Currency Revolving Credit Facility [Member]
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
quarter
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
Libor-Based Loans [Member]
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
Prime Rate-Based Loans [Member]
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
Minimum [Member]
Libor-Based Loans [Member]
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
Minimum [Member]
Prime Rate-Based Loans [Member]
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
Maximum [Member]
Libor-Based Loans [Member]
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
Maximum [Member]
Prime Rate-Based Loans [Member]
Dec. 31, 2012
Industrial Development Revenue Bond [Member]
Dec. 31, 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   $ 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% 0.85%  
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       435,100,000 824,900,000                              
Revolving credit facility, amount repaid       413,800,000 754,500,000                              
Percentage of capital stock or other equity interest pledged per credit agreement       65.00%                                
Revolving credit facility, amount outstanding 21,808,000 0                                    
Average daily balance on revolving credit facility       $ 14,100,000 $ 86,400,000                              
Maturity date of debt instrument                                     Sep. 01, 2032  
Maximum time period of interest (in years)                                     10 years