17. Geographic and Service Group Information

Revenue, which is primarily based on the country of the Company’s contracting entity is attributed to geographic areas as follows (in thousands):


	Year Ended
	January 2,		December 27,		December 28,
	2015		2013		2012
Revenue:
North America	$	190,050	$	179,539	$	173,650
International (primarily European countries)		46,687		44,291		49,086
Total revenue	$	236,737	$	223,830	$	222,736

Long-lived assets are attributed to geographic areas as follows (in thousands):


		January 2,	December 27,		December 28,
		2015	2013		2012
Long-Lived Assets:
North America	$	80,152	$	74,095	$	74,407
International (primarily European countries)		15,578		16,246		16,270
Total long-lived assets	$	95,730	$	90,341	$	90,677

As of January 2, 2015, December 27, 2013 and December 28, 2012, foreign assets included $15.0 million, $15.8 million and $15.6 million, respectively, of goodwill related to the REL and Archstone acquisitions.

In the following table, The Hackett Group service group encompasses Benchmarking, Business Transformation and Executive Advisory groups, and includes EPM Technologies. The ERP Solutions group encompasses SAP ERP (in thousands):


	Year Ended
	January 2,		December 27,		December 28,
	2015		2013		2012
The Hackett Group	$	196,145	$	184,112	$	187,787
ERP Solutions		40,592		39,718		34,949
Total revenue	$	236,737	$	223,830	$	222,736