Net Income (Loss) Per Share (Tables)

12 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The computation of basic and diluted net income (loss) per share is as follows:

	Year Ended September 30,
	2012			2011			2010
Net income (loss) attributable to Concur	$	(7,006	)	$	(10,743	)	$	20,144
Weighted average number of shares outstanding:
Basic	54,595			53,464			50,141
Dilutive effect of share-based equity awards	—			—			2,949
Diluted	54,595			53,464			53,090
Net income (loss) per share available to Concur's common stockholders:
Basic	$	(0.13	)	$	(0.20	)	$	0.40
Diluted	(0.13		)	(0.20		)	0.38

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table presents shares of potential common stock outstanding that were excluded from the computation of diluted net income (loss) per share because the effect of these shares in the computation of diluted net income (loss) per share would have been anti-dilutive.

	Year Ended September 30,
	2012	2011	2010
Share-based equity awards	3,602	3,534	—
Senior convertible notes	5,491	5,491	5,491
Warrants associated with the senior convertible notes	5,491	5,491	5,491