CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024
OPERATING ACTIVITIES:
Net income	$ 30,124	$ 20,229
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	6,941	5,603
Right-of-use asset amortization	7,748	7,462
Deferred income taxes	(360)	(102)
Share-based compensation expense	2,352	2,396
Bad debt expense (recovery)	563	681
Unrealized foreign currency remeasurement (gains) losses, net	465	(271)
Changes in operating assets and liabilities:
Accounts receivable	5,161	1,341
Unbilled services	(16,532)	(19,817)
Prepaid expenses and other current assets, and other assets	(671)	(3,821)
Forgivable loans	(26,312)	(6,083)
Incentive cash awards payable	6,001	4,796
Accounts payable, accrued expenses, and other liabilities	(80,182)	(64,488)
Lease liabilities	(9,440)	(9,199)
Net cash used in operating activities	(74,142)	(61,273)
INVESTING ACTIVITIES:
Purchases of property and equipment	(2,163)	(3,046)
Consideration paid for acquisition	0	(1,500)
Net cash used in investing activities	(2,163)	(4,546)
FINANCING ACTIVITIES:
Borrowings under revolving line of credit	132,000	93,000
Repayments under revolving line of credit	(12,000)	(6,000)
Tax withholding payments reimbursed by shares	(2,809)	(1,977)
Cash dividends paid	(6,858)	(5,976)
Repurchase of common stock	(43,150)	(33,348)
Net cash provided by financing activities	67,183	45,699
Effect of foreign exchange rates on cash and cash equivalents	1,859	(817)
Net decrease in cash and cash equivalents	(7,263)	(20,937)
Cash and cash equivalents at beginning of period	26,711	45,586
Cash and cash equivalents at end of period	19,448	24,649
Noncash investing and financing activities:
Increase (decrease) in accounts payable and accrued expenses for property and equipment	(585)	553
Excise tax on share repurchases	(388)	(300)
Right-of-use assets obtained in exchange for lease obligations	7,808	2,329
Supplemental cash flow information:
Cash paid for taxes	14,854	12,681
Cash paid for interest	1,670	1,533
Cash paid for amounts included in operating lease liabilities	$ 11,515	$ 11,163