Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Cash flows from operating activities:
Net income	$ 110,139	$ 98,405	$ 35,196
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	35,991	34,048	30,487
Amortization	26,307	26,150	21,082
Impairment of trade name	5,500	7,423
Asset impairment charges		2,131
Non-cash portion of restructuring costs and charges	1,679
Provision for allowance for credit losses	3,132	10,979	3,834
Stock-based compensation	12,240	9,670	7,819
Amortization and write-offs of deferred financing costs	1,320	1,242	978
Debt extinguishment costs		410	25,472
Deferred income taxes	6,752	(11,340)	7,632
Loss (gain) on sales of assets	406	(240)	261
Change in operating assets and liabilities (net of acquisition effects):
Accounts receivable, net	37,452	(20,622)	(34,390)
Inventories	527	(12,017)	(15,984)
Contract assets, net, prepaid expenses, other current and other assets	26,158	12,826	(5,958)
Accounts payable, accrued and other liabilities	(70,717)	37,309	(12,750)
Net cash provided by operating activities	196,886	196,374	63,679
Cash flows from investing activities:
Purchases of property, plant and equipment	(69,509)	(45,377)	(33,424)
Investment in and acquisition of business	(744)	(188,580)	(220,676)
Proceeds from sales of assets	1,167	37	187
Net cash used in investing activities	(69,086)	(233,920)	(253,913)
Cash flows from financing activities:
Payment of fair value of contingent consideration in Anlin Acquisition	(4,348)	(2,362)
Redemption of redeemable non-controlling interest	(37,459)
Proceeds from amounts drawn under revolving credit facility	50,000	160,000
Payments of borrowing under revolving credit facility	(81,352)	(83,648)
Proceeds from issuance of senior notes			638,300
Payments of senior notes			(425,000)
Payment of call-premium on redemption of senior notes			(21,518)
Proceeds from issuance of term loan debt			60,000
Payments of term loan debt		(60,000)	(54,000)
Payments of financing costs		(1,526)	(10,675)
Purchases of treasury stock under repurchase program	(82,349)	(1,565)
Income taxes paid from stock withheld relating to vested equity awards	(7,240)	(1,888)	(1,648)
Proceeds from exercise of stock options			138
Distribution to redeemable non-controlling interest		(1,665)
Proceeds from issuance of common stock under ESPP	1,108	602	463
Net cash (used in) provided by financing activities	(161,640)	7,948	186,060
Net decrease in cash and cash equivalents	(33,840)	(29,598)	(4,174)
Cash and cash equivalents at beginning of year	66,548	96,146	100,320
Cash and cash equivalents at end of year	$ 32,708	$ 66,548	$ 96,146