Debt (Table)

12 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Debt instrument table

Long-term debt at September 30, 2017 and 2016 consisted of the following:

	2017			2016
	(In thousands)
Unsecured 6.35% Senior Notes, due June 2017	—			250,000
Unsecured 8.50% Senior Notes, due March 2019	450,000			450,000
Unsecured 3.00% Senior Notes, due 2027	500,000			—
Unsecured 5.95% Senior Notes, due 2034	200,000			200,000
Unsecured 5.50% Senior Notes, due 2041	400,000			400,000
Unsecured 4.15% Senior Notes, due 2043	500,000			500,000
Unsecured 4.125% Senior Notes, due 2044	750,000			500,000
Medium term Series A notes, 1995-1, 6.67%, due 2025	10,000			10,000
Unsecured 6.75% Debentures, due 2028	150,000			150,000
Floating-rate term loan, due June 2019	125,000			—
Total long-term debt	3,085,000			2,460,000
Less:
Original issue (premium) discount on unsecured senior notes and debentures	(4,384		)	4,270
Debt issuance cost	22,339			16,951
Current maturities	—			250,000
	$	3,067,045		$	2,188,779

Debt maturity schedule

Maturities of long-term debt at September 30, 2017 were as follows (in thousands):

2018	$	—
2019	575,000
2020	—
2021	—
2022	—
Thereafter	2,510,000
	$	3,085,000