Debt (Table)

3 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term debt at December 31, 2018 and September 30, 2018 consisted of the following:

	December 31, 2018			September 30, 2018
	(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
Unsecured 4.30% Senior Notes, due 2048	600,000			—
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	3,685,000			3,085,000
Less:
Original issue (premium) / discount on unsecured senior notes and debentures	(1,472		)	(4,439		)
Debt issuance cost	26,693			20,774
Current maturities	575,000			575,000
	$	3,084,779		$	2,493,665

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