Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2012

Fair Value Measurements [Abstract]

Fair value of our assets and liabilities that were accounted for at fair value on a recurring basis

	Fair Value Measurements at June 30, 2012
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value at
	(Level 1)		(Level 2)		(Level 3)		June 30, 2012
Assets
Cash equivalents	$	45,768	$	—	$	—	$	45,768
Foreign currency forward contracts		—		10		—		10
Total	$	45,768	$	10	$	—	$	45,778
Liabilities
Foreign currency forward contracts	$	—	$	—	$	—	$	—
Total	$	—	$	—	$	—	$	—

	Fair Value Measurements at September 30, 2011
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value at
	(Level 1)		(Level 2)		(Level 3)		September 30, 2011
Assets
Cash equivalents	$	65,792	$	—	$	—	$	65,792
Total	$	65,792	$	—	$	—	$	65,792
Liabilities
Foreign currency forward contracts	$	—	$	—	$	—	$	—
Total	$	—	$	—	$	—	$	—