Debt (Table)

9 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term debt at June 30, 2018 and September 30, 2017 consisted of the following:

	June 30, 2018			September 30, 2017
	(In thousands)
Unsecured 8.50% Senior Notes, due March 2019	$	450,000		$	450,000
Unsecured 3.00% Senior Notes, due 2027	500,000			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			750,000
Medium-term note Series A, 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 September 2019(1)	125,000			125,000
Total long-term debt	3,085,000			3,085,000
Less:
Original issue (premium) / discount on unsecured senior notes and debentures	(4,425		)	(4,384		)
Debt issuance cost	21,110			22,339
Current maturities	450,000			—
	$	2,618,315		$	3,067,045

(1) Up to $200 million can be drawn under this term loan.