9. Geographic and Group Information

Revenue is primarily based on the country of the contracting entity and was attributed to the following geographical areas (in thousands):



	Quarter Ended				Nine Months Ended
	September 27,		September 28,		September 27,		September 28,
	2013		2012		2013		2012
Revenue:
North America	$	47,377	$	44,663	$	136,323	$	131,627
International (primarily European countries)		10,539		10,984		34,903		36,067
Total revenue	$	57,916	$	55,647	$	171,226	$	167,694

9. Geographic and Group Information (continued)

Long-lived assets are attributable to the following geographic areas (in thousands):



	September 27,		December 28,
	2013		2012
Long-lived assets:
North America	$	74,102	$	74,407
International (primarily European countries)		15,990		16,270
Total long-lived assets	$	90,092	$	90,677

As of September 27, 2013, foreign assets included $15.5 million of goodwill related to the Archstone and REL acquisitions. As of December 28, 2012, foreign assets included $15.6 million of goodwill related to the REL and Archstone acquisitions and $0.1 million of intangible assets related to the Archstone acquisition.

The Company’s revenue was derived from the following service groups (in thousands):



	Quarter Ended				Nine Months Ended
	September 27,		September 28,		September 27,		September 28,
	2013		2012		2013		2012

The Hackett Group	$	48,689	$	45,429	$	139,960	$	142,657
ERP Solutions		9,227		10,218		31,266		25,037
Total revenue	$	57,916	$	55,647	$	171,226	$	167,694