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Short-Term Borrowings and Long-Term Debt (Narrative) (Details)
6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended
Dec. 31, 2013
Industrial Development Revenue Bond [Member]
USD ($)
Jun. 30, 2013
Industrial Development Revenue Bond [Member]
USD ($)
Dec. 31, 2013
Foreign Line of Credit [Member]
EUR (€)
Dec. 31, 2013
Foreign Line of Credit [Member]
Minimum [Member]
Dec. 31, 2013
Foreign Line of Credit [Member]
Maximum [Member]
EUR (€)
Dec. 31, 2013
Multi-Currency Revolving Credit Facility, Combined with Accordion Feature [Member]
USD ($)
Dec. 31, 2013
Multi-Currency Revolving Credit Facility, Accordion Feature [Member]
USD ($)
Dec. 31, 2013
Multi-Currency Revolving Credit Facility [Member]
USD ($)
quarter
Dec. 31, 2012
Multi-Currency Revolving Credit Facility [Member]
USD ($)
Dec. 31, 2013
Multi-Currency Revolving Credit Facility [Member]
Amended Credit Agreement [Member]
Dec. 31, 2013
Multi-Currency Revolving Credit Facility [Member]
Minimum [Member]
Dec. 31, 2013
Multi-Currency Revolving Credit Facility [Member]
Maximum [Member]
Dec. 31, 2013
Letter of Credit [Member]
Maximum [Member]
USD ($)
Dec. 31, 2013
Alternate Base Rate Loans [Member]
Multi-Currency Revolving Credit Facility [Member]
Dec. 31, 2013
Alternate Base Rate Loans [Member]
Multi-Currency Revolving Credit Facility [Member]
Minimum [Member]
Dec. 31, 2013
Alternate Base Rate Loans [Member]
Multi-Currency Revolving Credit Facility [Member]
Maximum [Member]
Dec. 31, 2013
London Interbank Offered Rate (LIBOR) [Member]
Multi-Currency Revolving Credit Facility [Member]
Dec. 31, 2013
London Interbank Offered Rate (LIBOR) [Member]
Multi-Currency Revolving Credit Facility [Member]
Minimum [Member]
Dec. 31, 2013
London Interbank Offered Rate (LIBOR) [Member]
Multi-Currency Revolving Credit Facility [Member]
Maximum [Member]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 1.02% 1.04%                                  
Borrowing capacity under credit facility     € 6,000,000     $ 450,000,000 $ 150,000,000 $ 300,000,000         $ 50,000,000            
Debt issuance costs incurred               500,000                      
Percentage spread points on variable rate debt instrument 0.85%   1.25% 1.25% 2.00%                 0.00% 0.00% 1.25% 1.00% 1.00% 2.25%
Line of credit facility, unused capacity, commitment fee percentage       0.10% 0.275%           0.175% 0.40%              
Line of credit facility, unused capacity, threshold for commitment fees         3,000,000.0                            
Debt issuance costs               1,500,000                      
Maturity of credit facility               Oct. 11, 2016   Nov. 06, 2018                  
Amendment date of credit facility               Nov. 06, 2013                      
Number of quarters in measurement period (in number of quarters)               4                      
Percentage of capital stock or other equity interest pledged per credit agreement               65.00%                      
Average daily balance on revolving credit facility               0 14,100,000                    
Maturity date of debt instrument Sep. 01, 2032                                    
Maximum time period of interest (in years) 10 years                                    
Long-term Debt $ 5,400,000 $ 5,400,000