Income Taxes (Components of Provision (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Current:
United States									$ 370	$ (150)	$ 2,440
Foreign									530	800	(9,380)
State									80	(110)	(90)
Total current									980	540	(7,030)
Deferred:
United States									(490)	(290)	0
Foreign									750	1,610	1,700
State									0	0	10
Total deferred									260	1,320	1,710
Total provision (benefit)	$ (645)	$ 1,325	$ 0	$ 560	$ 580	$ 2,560	$ (800)	$ (480)	$ 1,240	$ 1,860	$ (5,320)