Debt (Tables)

12 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Composition of Long Term Debt

Long-term debt comprises the following at September 30:

	2014			2013
Term Loan Credit Agreement	$	—		$	175,000
Senior Notes:
5.75%, due September 2016	175,000			175,000
4.98%, due March 2044	175,000			—
6.21%, due September 2036	100,000			100,000
Medium-Term Notes:
5.16%, due May 2015	20,000			20,000
7.37%, due October 2015	22,000			22,000
5.64%, due December 2015	50,000			50,000
6.17%, due June 2017	20,000			20,000
7.25%, due November 2017	20,000			20,000
5.67%, due January 2018	20,000			20,000
6.50%, due August 2033	20,000			20,000
6.13%, due October 2034	20,000			20,000
Total long-term debt	642,000			642,000
Less: current maturities	(20,000		)	—
Total long-term debt due after one year	$	622,000		$	642,000