Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022
Operating activities
Net income	$ 58,736	$ 49,031
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	43,479	41,082
Other	(1,331)	(683)
Changes in operating assets and liabilities, net of assets acquired:
Accounts receivable	(44,944)	(49,451)
Accounts payable and accrued expenses	(10,213)	12,709
Self-insurance accruals	5,760	13,306
Prepaid expenses	(14,069)	(10,724)
Increase (Decrease) in Inventories	(14,520)	0
Other, net	13,440	7,710
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities, Total	(22,398)	13,949
Net cash provided by operating activities	36,338	62,980
Capital expenditures:
Equipment	(48,872)	(54,829)
Land and buildings	15,408	15,916
Purchases of businesses, net of cash acquired and debt incurred	(18,002)	(4,453)
Proceeds from sales of property and equipment	10,116	6,781
Purchases of marketable securities	(36,331)	(41,305)
Proceeds from Sale and Maturity of Marketable Securities	30,086	14,114
Net cash used in investing activities	(78,411)	(95,608)
Financing activities
Revolving credit facility borrowings	549,226	453,885
Revolving credit facility payments	(493,398)	(402,618)
Purchase of common shares for treasury	(49,836)	(45,867)
Sale of common shares from treasury	30,212	29,043
Dividends paid	(2,807)	(2,682)
Proceeds from notes payable	58,317	69,337
Payments of notes payable	(51,444)	(62,602)
Payments of finance leases	2,943	2,313
Net cash provided by financing activities	37,327	36,183
Effect of exchange rate changes on cash	11	(171)
(Decrease) increase in cash	(4,735)	3,384
Cash, beginning of period	18,526	19,460
Cash, end of period	13,791	22,844
Supplemental cash flow information follows:
Interest paid	13,914	3,764
Income taxes paid	$ 20,633	$ 9,869