Long-term Debt (Tables)

12 Months Ended

Sep. 30, 2011

Debt Disclosure

Schedule of Long-term Debt

	At September 30,
	2011			2010
2008 Term loan — Variable rate of 1.78% at September 30, 2011, matures October 2013; unsecured	$	64,375		$	71,875
Series B notes — 5.63%, due October 2013; unsecured		100,000			100,000
Series C notes — 5.92%, due October 2015; unsecured		50,000			50,000
Series D notes — 6.39%, due October 2018; unsecured		100,000			100,000
Series E notes — 7.81%, due April 2016; unsecured		57,000			57,000
Series F notes — 8.24%, due April 2019; unsecured		43,000			43,000
Senior notes — 6.39%, due October 2011; unsecured		10,714			21,429
Term notes — 5.95%, due June 2012; secured by land and buildings		157			369
Fair value hedge adjustment for unrecognized discontinued hedge gains		3			70
Total long-term debt		425,249			443,743
Less: current portion		(18,374	)		(18,493	)
Long-term debt, less current portion	$	406,875		$	425,250

Schedule of Future Principal Payments of Long-term Debt

Year Ending September 30:
2012	$	18,371
2013		7,500
2014		149,375
2015		—
2016		107,000
Thereafter		143,000
	$	425,246