CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
OPERATING ACTIVITIES:
Net income	$ 38,481	$ 43,619	$ 41,679
Adjustments to reconcile net income to net cash provided by operating activities, net of effect of acquired businesses:
Depreciation and amortization	11,564	11,996	12,768
Right-of-use asset amortization	14,273	13,755	13,011
Deferred income taxes	(4,634)	189	446
Share-based compensation expense	4,400	4,773	4,086
Bad debt expense (recovery)	533	(345)	27
Unrealized foreign currency remeasurement (gains) losses, net	61	122	(294)
Changes in operating assets and liabilities:
Accounts receivable	2,210	(24,929)	(6,053)
Unbilled services	(5,070)	(5,382)	(4,399)
Prepaid expenses and other current assets, and other assets	1,210	(485)	(2,399)
Forgivable loans	2,678	(10,539)	10,742
Incentive cash awards payable	8,122	6,618	6,724
Accounts payable, accrued expenses, and other liabilities	4,007	2,253	14,875
Lease liabilities	(17,763)	(16,524)	(15,515)
Net cash provided by operating activities	60,072	25,121	75,698
INVESTING ACTIVITIES:
Purchases of property and equipment	(2,366)	(3,813)	(2,623)
Consideration paid for acquisitions, net	(577)	(14,352)	0
Net cash used in investing activities	(2,943)	(18,165)	(2,623)
FINANCING ACTIVITIES:
Issuance of common stock, principally stock options exercises	805	1,411	5,157
Borrowings under revolving line of credit	105,000	126,000	74,000
Repayments under revolving line of credit	(105,000)	(126,000)	(74,000)
Payments for debt issuance costs	0	(1,008)	0
Tax withholding payments reimbursed by shares	(3,063)	(2,145)	(1,528)
Cash paid for contingent consideration	0	0	(2,357)
Cash dividends paid	(10,807)	(9,580)	(8,289)
Repurchase of common stock	(31,417)	(27,630)	(44,976)
Net cash used in financing activities	(44,482)	(38,952)	(51,993)
Effect of foreign exchange rates on cash and cash equivalents	1,492	(2,687)	(629)
Net increase (decrease) in cash and cash equivalents	14,139	(34,683)	20,453
Cash and cash equivalents at beginning of period	31,447	66,130	45,677
Cash and cash equivalents at end of period	45,586	31,447	66,130
Noncash investing and financing activities:
Increase (decrease) in accounts payable and accrued expenses for property and equipment	(91)	(268)	8
Excise tax on share repurchases	(247)	0	0
Right-of-use assets obtained in exchange for lease obligations	3,198	2,436	1,751
Restricted common stock issued for contingent consideration	0	0	2,250
Supplemental cash flow information:
Cash paid for taxes	14,011	15,646	14,953
Cash paid for interest	3,539	1,579	727
Cash paid for amounts included in operating lease liabilities	$ 22,272	$ 21,306	$ 20,823