Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 02, 2015		Jan. 03, 2014		Dec. 28, 2012
Revenues:
Revenues before reimbursements	$ 289,209		$ 280,043		$ 266,562
Reimbursements	15,495		16,125		26,091
Revenues	304,704	[1]	296,168	[1]	292,653	[1]
Operating expenses:
Compensation and related expenses	183,533		184,084		171,809
Other operating expenses	26,285		25,299		23,574
Reimbursable expenses	15,495		16,125		26,091
General and administrative expenses	15,842		14,714		13,559
Total operating expenses	241,155		240,222		235,033
Operating income	63,549		55,946		57,620
Other income:
Interest income	150		127		328
Miscellaneous income, net	4,266		7,872		3,801
Income before income taxes	67,965		63,945		61,749
Provision for income taxes	27,264		25,305		24,524
Net income	$ 40,701		$ 38,640		$ 37,225
Net income per share:
Basic	$ 3.02		$ 2.84		$ 2.70
Diluted	$ 2.94		$ 2.76		$ 2.60
Shares used in per share computations:
Basic	13,455		13,616		13,780
Diluted	13,833		14,025		14,293
Cash dividends declared per common share	$ 1.00		$ 0.60		$ 0

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