Other (Income) Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Rent income	$ (128)	$ (181)
Amount of (Income) Expense Recognized in Earnings on Derivative	42	1,652
Other	(5)	(10)
Other (income) expense, net	(494)	1,098
Derivatives in Foreign Currency Relationships [Member]
Amount of (Income) Expense Recognized in Earnings on Derivative	0	1,612
Investments in Deferred Compensation Plan [Member]
Net gain on investments in deferred compensation program	$ (369)	$ (335)