Equity (Schedule of Earnings per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Income (Loss) from continuing operations	$ 2,569	$ (1,335)
Undistributed earnings allocated to common shareholders for basic and diluted net income (loss) per share	$ 2,569	$ (1,335)
Denominator for basic net income (loss) per share - weighted average shares outstanding	29,503	28,832
Denominator for fully diluted net (income) loss per share - weighted average shares outstanding	30,377	28,832
Net income (loss) per basic share	$ 0.09	$ (0.05)
Net income (loss) per diluted share	$ 0.08	$ (0.05)
Weighted average antidilutive options, unvested restricted stock units and awards, unvested performance stock units and ESPP shares excluded from the computation	874	1,168