Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Revenues:
Revenues before reimbursements		$ 299,197	$ 295,705	$ 289,209
Reimbursements		15,879	17,127	15,495
Revenues	[1]	315,076	312,832	304,704
Operating expenses:
Compensation and related expenses		193,397	184,502	183,533
Other operating expenses		28,397	26,975	26,285
Reimbursable expenses		15,879	17,127	15,495
General and administrative expenses		15,492	15,295	15,842
Total operating expenses		253,165	243,899	241,155
Operating income		61,911	68,933	63,549
Other income:
Interest income		683	207	150
Miscellaneous income, net		6,528	1,993	4,266
Income before income taxes		69,122	71,133	67,965
Provision for income taxes		21,642	27,534	27,264
Net income		$ 47,480	$ 43,599	$ 40,701
Net income per share:
Basic		$ 1.79	$ 1.64	$ 1.51
Diluted		$ 1.75	$ 1.6	$ 1.47
Shares used in per share computations:
Basic		26,488	26,606	26,910
Diluted		27,166	27,298	27,666
Cash dividends declared per common share		$ 0.72	$ 0.6	$ 0.5

[1] Geographic revenues are allocated based on the location of the client.