Geographic Data

We market our services and products primarily in the United States and operate in a single industry segment. As of September 30, 2012 and 2011, the long-lived assets located outside the United States were immaterial. Revenues from customers outside the United States represented 15%, 14%, and 13% of total revenues for 2012, 2011, and 2010, respectively.

The following table presents our revenues by geographic region:



	Year Ended September 30,
	2012		2011		2010
United States	$	372,993	$	299,994	$	254,751
Europe	49,963		36,260		25,963
Other	16,870		13,234		12,222
Total revenues	$	439,826	$	349,488	$	292,936