16. 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
	December 29,		December 30,		January 1,
	2017		2016		2016
Revenue:
North America	$	230,904	$	246,249	$	218,719
International (primarily European countries)		54,958		42,312		42,221
Total revenue	$	285,862	$	288,561	$	260,940

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

	December 29,		December 30,
	2017		2016
Long-lived assets:
North America	$	90,605	$	78,200
International (primarily European countries)		19,341		12,286
Total long-lived assets	$	109,946	$	90,486

16. Geographic and Service Group Information (continued)

As of December 29, 2017, December 30, 2016, and January 1, 2016, foreign assets included $ 15.1 million, $ 11.9 million and $14.1 million, respectively, of goodwill related to the REL, Archstone and Aecus acquisitions, in fiscal 2005, 2009 and 2017, respectively.

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

	Year Ended
	December 29,		December 30,		January 1,
	2017		2016		2016
The Hackett Group	$	242,269	$	246,210	$	221,341
SAP/ERP Solutions		43,593		42,351		39,599
Total revenue	$	285,862	$	288,561	$	260,940