XML 79 R69.htm IDEA: XBRL DOCUMENT v3.5.0.2
Long-term Debt (Schedule of Long-term Debt) (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended 21 Months Ended
Jun. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Long-term debt balance $ 785,000 $ 850,000 $ 785,000
Current portion of long-term debt (100,000) 0 (100,000)
Long-term debt, excluding current portion 685,000 850,000 685,000
Series C Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 0 $ 50,000 $ 0
Interest rate 5.92% 5.92% 5.92%
Maturity date Oct. 01, 2015 Oct. 01, 2015  
Series D Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 100,000 $ 100,000 $ 100,000
Interest rate 6.39% 6.39% 6.39%
Maturity date Oct. 01, 2018 Oct. 01, 2018  
Series E Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 0 $ 57,000 $ 0
Interest rate 7.81% 7.81% 7.81%
Maturity date Apr. 03, 2016 Apr. 03, 2016  
Series F Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 43,000 $ 43,000 $ 43,000
Interest rate 8.24% 8.24% 8.24%
Maturity date Apr. 03, 2019 Apr. 03, 2019  
Series J Notes [Member]      
Variable interest rate 1.88%   1.88%
Series J Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 50,000 $ 50,000 $ 50,000
Variable Rate Basis     LIBOR
Basis Spread On Variable Rate 1.25% 1.25%  
Maturity date Nov. 15, 2020 Nov. 15, 2020  
Series G Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 50,000 $ 50,000 $ 50,000
Interest rate 3.42% 3.42% 3.42%
Maturity date Nov. 15, 2020 Nov. 15, 2020  
Series H Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 25,000 $ 25,000 $ 25,000
Interest rate 4.03% 4.03% 4.03%
Maturity date Nov. 15, 2023 Nov. 15, 2023  
Series I Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 25,000 $ 25,000 $ 25,000
Interest rate 4.18% 4.18% 4.18%
Maturity date Nov. 15, 2025 Nov. 15, 2025  
Series K Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 50,000 $ 50,000 $ 50,000
Interest rate 4.03% 4.03% 4.03%
Maturity date Nov. 15, 2023 Nov. 15, 2023  
Series L Notes [Member] | Notes Payable to Banks [Member]      
Long-term debt balance $ 50,000 $ 50,000 $ 50,000
Interest rate 4.18% 4.18% 4.18%
Maturity date Nov. 15, 2025 Nov. 15, 2025  
Revolving Credit Facility [Member]      
Long-term debt balance $ 392,000 $ 350,000 $ 392,000
Revolving Credit Agreement [Member]      
Variable Rate Basis LIBOR    
Credit facility effective interest rate on outstanding borrowing 1.51% 1.44% 1.51%
Maturity date Apr. 01, 2020    
Revolving Credit Agreement [Member] | Minimum [Member]      
Basis Spread On Variable Rate 0.85%    
Revolving Credit Agreement [Member] | Maximum [Member]      
Basis Spread On Variable Rate 1.65%    
Chinese Credit Facility, RMB Denominated Loan [Member]      
Variable Rate Basis interest at the prevailing interest rate offered by the People's Bank of China on the date of borrowing, plus a margin equal to 15% of that prevailing rate    
Chinese Credit Facility, USD Denominated Loan [Member]      
Variable Rate Basis interest at the lender's cost of borrowing rate at the date of borrowing, plus 3%