Financial Instruments and Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2011

Financial Instruments and Fair Value Measurements

Estimated Fair Values of Financial Instruments

	At September 30, 2011						At September 30, 2010
	Estimated Fair						Estimated Fair
	Value			Carrying Cost			Value			Carrying Cost
Cash and cash equivalents	$	74,539		$	74,539		$	105,579		$	105,579
Investments in deferred compensation program		5,855			5,855			5,633			5,633
Short-term borrowings		—			—			(22,099	)		(22,099	)
Long-term debt, including current portion		(482,776	)		(425,246	)		(506,120	)		(443,673	)

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

	At September 30,
	2011			2010
Weighted-average interest rate used to estimate fair value		2.6	%		2.9	%

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

	At September 30, 2011								At September 30, 2010
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Financial assets:
Investments in money market funds	$	10,823	$	—	$	—	$	10,823	$	50,360	$	—	$	—	$	50,360
Equity securities		5,855		—		—		5,855		5,633		—		—		5,633
Foreign exchange forward contract		—		—		—		—		—		579		—		579
Total financial assets	$	16,678	$	—	$	—	$	16,678	$	55,993	$	579	$	—	$	56,572