Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2016	Apr. 03, 2015
Revenues:
Revenues before reimbursements	$ 78,950	$ 76,141
Reimbursements	4,206	4,152
Revenues	83,156	80,293
Operating expenses:
Compensation and related expenses	52,017	51,115
Other operating expenses	6,983	6,510
Reimbursable expenses	4,206	4,152
General and administrative expenses	3,514	3,488
Total operating expenses	66,720	65,265
Operating income	16,436	15,028
Other income, net:
Interest income, net	139	34
Miscellaneous income, net	1,159	2,009
Total other income, net	1,298	2,043
Income before income taxes	17,734	17,071
Income taxes	2,384	6,738
Net income	$ 15,350	$ 10,333
Net income per share:
Basic	$ 0.58	$ 0.39
Diluted	$ 0.56	$ 0.38
Shares used in per share computations:
Basic	26,513	26,622
Diluted	27,239	27,390
Cash dividends declared per common share	$ 0.18	$ 0.15