Other (Income) Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net (gain) loss on sales of assets	$ (12)	$ 428	$ (84)	$ 429
Rent income	(120)	(130)	(376)	(437)
Amount of (Income) Expense Recognized in Earnings on Derivative	42	40	127	1,733
Other	(6)	(3)	(8)	(35)
Other (income) expense, net	12	249	(1,214)	955
Net loss on sale of marketable securities acquired in IDS Acquisition		246
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	$ 150	$ (46)	$ (746)	$ (614)