Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2011

Financial Instruments and Fair Value Measurements

Estimated Fair Values of Financial Instruments

	At December 31, 2011						At September 30, 2011
	Estimated Fair						Estimated Fair
	Value			Carrying Cost			Value			Carrying Cost
Cash and cash equivalents	$	50,380		$	50,380		$	74,539		$	74,539
Investments in deferred compensation program		6,666			6,666			5,855			5,855
Short-term borrowings		(10,000	)		(10,000	)		—			—
Long-term debt, including current portion		(466,371	)		(412,651	)		(482,776	)		(425,246	)

Schedule of Weighted Average Interest Rates Used to Calculate Long-Term Debt Fair Value

	December 31,		September 30,
	2011		2011
Weighted-average interest rate used to estimate fair value		2.6%		2.6	%

Financial Assets that are Measured at Fair Value on a Recurring Basis

	At December 31, 2011								At September 30, 2011
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial assets:
Investments in money market funds	$	28	$	—	$	—	$	28	$	10,823	$	—	$	—	$	10,823
Equity securities		6,666		—		—		6,666		5,855		—		—		5,855
Total financial assets	$	6,694	$	—	$	—	$	6,694	$	16,678	$	—	$	—	$	16,678