Equity (Schedule of Earnings per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Numerator:
Loss from continuing operations	$ (134)	$ (3,130)
Income from discontinued operations	1,121	59,258
Net income	$ 987	$ 56,128
Denominator:
Denominator for basic net (loss) income per share - weighted average shares outstanding (in shares)	25,697	31,217
Dilutive options outstanding, unvested stock units and ESPP (in shares)	0	0
Denominator for diluted net (loss) income per share - adjusted weighted average shares outstanding (in shares)	25,697	31,217
Net (loss) income per basic share:
Net (loss) income per basic share, continuing operations (in usd per share)	$ 0.00	$ (0.10)
Net (loss) income per basic share, discontinued operations (in usd per share)	0.04	1.90
Net income per basic share (in usd per share)	0.04	1.80
Net loss per diluted share, continuing operations (in usd per share)	0.00	(0.10)
Net (loss) income per diluted share, discontinued operations (in usd per share)	0.04	1.90
Net income per diluted share (in usd per share)	$ 0.04	$ 1.80
Weighted average antidilutive options, unvested restricted stock units and awards, warrants and ESPP shares excluded from the computation (in shares)	858	2,649
Average market price of common stock (in dollars per share)	$ 6.93	$ 5.29