Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenues	$ 122,798	$ 100,384
Expenses:
Cost of operations	34,996	28,970
Sales and marketing	54,942	40,345
Systems development and programming	14,227	9,723
General and administrative	19,632	15,167
Revaluation of contingent consideration	2,809	(2,439)
Amortization of intangible assets	4,464	3,965
Total expenses	131,070	95,731
Operating income (loss)	(8,272)	4,653
Other income (expense):
Interest income	554	482
Interest expense	(4,968)	(4,755)
Income (loss) from equity investments	(601)	(496)
Other, net	(88)	(478)
Total other expense	(5,103)	(5,247)
Income (loss) before income tax	(13,375)	(594)
Income tax expense (benefit)	(1,057)	353
Consolidated net income (loss)	(12,318)	(947)
Less: Loss attributable to noncontrolling interest	286	79
Net income (loss) attributable to Concur	$ (12,032)	$ (868)
Net income (loss) per share attributable to Concur common stockholders:
Basic	$ (0.22)	$ (0.02)
Diluted	$ (0.22)	$ (0.02)
Weighted average shares used in computing net income (loss) per share:
Basic	55,082	54,096
Diluted	55,082	54,096