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Credit Facilities, Short-term Borrowings and Long-term Debt (Tables)
9 Months Ended
Jun. 30, 2020
Debt Disclosure [Abstract]  
Schedule of Long-term Debt

 

 

June 30,

 

 

September 30,

 

 

 

2020

 

 

2019

 

Long-term portion of revolving credit facility - Floating rate (LIBOR plus 0.875% - 1.75%),

  due June 19, 2024; unsecured

 

$

 

 

$

42,297

 

Series G notes – 3.42%, due November 15, 2020; unsecured

 

 

50,000

 

 

 

50,000

 

Series H notes – 4.03%, due November 15, 2023; unsecured

 

 

25,000

 

 

 

25,000

 

Series I notes – 4.18%, due November 15, 2025; unsecured

 

 

25,000

 

 

 

25,000

 

Series J notes – Floating rate (LIBOR plus 1.25%), due November 15, 2020; unsecured

 

 

50,000

 

 

 

50,000

 

Series K notes – 4.03%, due November 15, 2023; unsecured

 

 

50,000

 

 

 

50,000

 

Series L notes – 4.18%, due November 15, 2025; unsecured

 

 

50,000

 

 

 

50,000

 

Series M notes – 1.12% due September 23, 2026; unsecured

 

 

44,955

 

 

 

43,770

 

Series N notes – 1.31% due September 23, 2028; unsecured

 

 

86,538

 

 

 

84,257

 

Series O notes – 1.57% due September 23, 2031; unsecured

 

 

48,326

 

 

 

47,053

 

Series P notes – 4.27% due May 30, 2025; unsecured

 

 

85,000

 

 

 

85,000

 

Series Q notes – 4.35% due May 30, 2027; unsecured

 

 

85,000

 

 

 

85,000

 

Series R notes – 4.41% due May 30, 2029; unsecured

 

 

75,000

 

 

 

75,000

 

Series S notes – 4.46% due May 30, 2030; unsecured

 

 

75,000

 

 

 

75,000

 

Series T notes – 4.61% due May 30, 2033; unsecured

 

 

80,000

 

 

 

80,000

 

Finance leases (Note 5)

 

 

3,218

 

 

 

 

Unamortized debt issuance costs

 

 

(2,229

)

 

 

(2,478

)

Total long-term debt

 

 

830,808

 

 

 

864,899

 

Less: Current portion of long-term debt

 

 

101,643

 

 

 

 

Long-term debt, less current portion

 

$

729,165

 

 

$

864,899