Consolidated Equity Statements (USD $)	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Concur Stockholders' Equity Total	Noncontrolling Interest
Stockholders' Equity at Sep. 30, 2009	$ 520,801,000	$ 49,000	$ 640,911,000	$ (119,680,000)	$ (479,000)	$ 520,801,000	$ 0
Common Stock, Shares at Sep. 30, 2009		48,988,000
Common stock repurchased, Shares	0
Common stock repurchased, Value	0
Common stock issued:
Employee Stock Purchase Plans, Shares		36,000
Employee Stock Purchase Plan, Value	1,401,000	0	1,401,000			1,401,000
Stock option exercises and vesting of restricted stock units, Shares		2,075,000
Stock option exercises and vesting of restricted stock units, Value	8,592,000	2,000	8,590,000			8,592,000
Equity issued to American Express, Shares		1,280,000
Equity issued to American Express, Value	49,717,000	1,000	49,716,000			49,717,000
Acquisition of TripIt, Value	0
Share-based compensation	20,063,000		20,063,000			20,063,000
RSU tax withholding	(4,232,000)		(4,232,000)			(4,232,000)
Excess tax benefits from share-based compensation	283,000		283,000			283,000
Equity component of the senior convertible notes issuance	56,327,000		56,327,000			56,327,000
Purchase of note hedges	(60,145,000)		(60,145,000)			(60,145,000)
Sale of warrants	26,076,000		26,076,000			26,076,000
Net tax effect related to the senior convertible notes	791,000		791,000			791,000
Foreign currency translation adjustment gain (loss)	(1,971,000)				(1,971,000)	(1,971,000)	0
Unrealized gain (loss) on investments	(21,000)				(21,000)	(21,000)	0
Net income (loss) attributable to Concur	20,144,000			20,144,000		20,144,000
Net income (loss) attributable to noncontrolling interest	0
Stockholders' Equity at Sep. 30, 2010	637,826,000	52,000	739,781,000	(99,536,000)	(2,471,000)	637,826,000	0
Common Stock, Shares at Sep. 30, 2010		52,379,000
Common stock repurchased, Shares	(48,000)	(48,000)
Common stock repurchased, Value	(1,753,000)	0	(1,753,000)			(1,753,000)
Common stock issued:
Employee Stock Purchase Plans, Shares		38,000
Employee Stock Purchase Plan, Value	1,856,000	1,000	1,855,000			1,856,000
Stock option exercises and vesting of restricted stock units, Shares		882,000
Stock option exercises and vesting of restricted stock units, Value	1,982,000	1,000	1,981,000			1,982,000
Acquisition of TripIt, Shares		814,000
Acquisition of TripIt, Value	44,759,000	0	44,759,000			44,759,000
Share-based compensation	36,967,000		36,967,000			36,967,000
RSU tax withholding	(11,936,000)		(11,936,000)			(11,936,000)
Excess tax benefits from share-based compensation	234,000		234,000			234,000
Investment in consolidated joint venture by noncontrolling interest	1,225,000						1,225,000
Foreign currency translation adjustment gain (loss)	(464,000)				(536,000)	(536,000)	72,000
Unrealized gain (loss) on investments	(1,000)				(1,000)	(1,000)	0
Net income (loss) attributable to Concur	(10,743,000)			(10,743,000)		(10,743,000)
Net income (loss) attributable to noncontrolling interest	(121,000)						(121,000)
Stockholders' Equity at Sep. 30, 2011	699,831,000	54,000	811,888,000	(110,279,000)	(3,008,000)	698,655,000	1,176,000
Common Stock, Shares at Sep. 30, 2011	54,065,000	54,065,000
Common stock repurchased, Shares	(28,000)	(28,000)
Common stock repurchased, Value	(1,301,000)	0	(1,301,000)			(1,301,000)
Common stock issued:
Employee Stock Purchase Plans, Shares		44,000
Employee Stock Purchase Plan, Value	2,304,000	0	2,304,000			2,304,000
Stock option exercises and vesting of restricted stock units, Shares		979,000
Stock option exercises and vesting of restricted stock units, Value	2,818,000	1,000	2,817,000			2,818,000
Acquisition of TripIt, Value	0
Share-based compensation	59,071,000		59,071,000			59,071,000
RSU tax withholding	(14,200,000)		(14,200,000)			(14,200,000)
Excess tax benefits from share-based compensation	848,000		848,000			848,000
Acquisition of TripIt escrow settlement, Shares		(2,000)
Acquisition of TripIt escrow settlement, Value	(126,000)	0	(126,000)			(126,000)
Foreign currency translation adjustment gain (loss)	(844,000)				(818,000)	(818,000)	(26,000)
Unrealized gain (loss) on investments	247,000				247,000	247,000	0
Net income (loss) attributable to Concur	(7,006,000)			(7,006,000)		(7,006,000)
Net income (loss) attributable to noncontrolling interest	(569,000)						(569,000)
Stockholders' Equity at Sep. 30, 2012	$ 741,073,000	$ 55,000	$ 861,301,000	$ (117,285,000)	$ (3,579,000)	$ 740,492,000	$ 581,000
Common Stock, Shares at Sep. 30, 2012	55,058,000	55,058,000