CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023
Cash flows from operating activities:
Net income	$ 8,315	$ 21,360
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	33,635	27,205
Non-cash lease expense	6,401	6,784
Provision for doubtful accounts	723	607
Stock-based compensation	13,988	10,728
Change in fair value of contingent consideration	0	(7,514)
Gain on disposals of property and equipment	(644)	(408)
Other	204	0
Deferred income taxes	(7,712)	(7,673)
Amortization of debt issuance costs	370	365
Changes in operating assets and liabilities, net of impact of acquisitions:
Billed receivables	(4,674)	10,882
Unbilled receivables	(25,042)	(9,842)
Prepaid expenses and other assets	(1,619)	(4,691)
Accounts payable	4,555	(8,164)
Accrued liabilities and other long-term liabilities	(11,507)	(5,698)
Billings in excess of costs and estimated earnings on uncompleted contracts	(7,384)	(7,606)
Contingent consideration	(1,455)	(1,307)
Other current liabilities	88	474
Net cash provided by operating activities	8,242	25,502
Cash flows from investing activities:
Cash paid for acquisitions (net of cash received from acquisitions)	(53,947)	(186,242)
Proceeds from sale of assets	249	295
Purchase of property and equipment	(8,905)	(10,239)
Net cash used in investing activities	(62,603)	(196,186)
Cash flows from financing activities:
Borrowings from Senior Credit Facility	58,000	180,000
Payments on notes payable and other obligations	(5,274)	(5,131)
Payments of contingent consideration	(1,585)	(793)
Payments of borrowings from Senior Credit Facility	(12,000)	(13,000)
Net cash provided by financing activities	39,141	161,076
Effect of exchange rate changes on cash and cash equivalents	(249)	(106)
Net decrease in cash and cash equivalents	(15,469)	(9,714)
Cash and cash equivalents – beginning of period	44,824	38,541
Cash and cash equivalents – end of period	29,355	28,827
Non-cash investing and financing activities:
Contingent consideration (earn-out)	4,339	325
Notes payable and other obligations issued for acquisitions	400	7,404
Stock issuance for acquisitions	3,958	14,471
Reclassification of liability-classified awards to equity-classified awards	2,429	1,697
Finance leases	1,663	232
Payment of contingent consideration with common stock	$ 600	$ 0