Credit Facilities, Short-term Borrowings and Long-term Debt (Tables)

3 Months Ended

Dec. 31, 2017

Debt Disclosure

Schedule of Long-term Debt

	December 31,		September 30,
	2017		2017
Series D notes – 6.39%, due October 2018; unsecured	$	100,000	$	100,000
Series F notes – 8.24%, due April 2019; unsecured		43,000		43,000
Series G notes – 3.42%, due November 2020; unsecured		50,000		50,000
Series H notes – 4.03%, due November 2023; unsecured		25,000		25,000
Series I notes – 4.18%, due November 2025; unsecured		25,000		25,000
Series J notes – Floating rate (LIBOR plus 1.25%), due November 2020; unsecured		50,000		50,000
Series K notes – 4.03%, due November 2023; unsecured		50,000		50,000
Series L notes – 4.18%, due November 2025; unsecured		50,000		50,000
Series M notes – 1.12% due September 2026; unsecured		48,015		47,270
Series N notes – 1.31% due September 2028; unsecured		92,428		90,995
Series O notes – 1.57% due September 2031; unsecured		51,616		50,815
Unamortized debt issuance costs		(1,720)		(1,794)
Total long-term debt		583,339		580,286
Less: Current portion of long-term debt		-		-
Long-term debt, less current portion	$	583,339	$	580,286