Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
OPERATING ACTIVITIES
Net income	$ 149,753	$ 206,407
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	44,001	44,498
Non-cash interest charges	198	198
Provisions for losses on trade and other accounts receivable	13,058	10,509
Gains on sales/disposals of operating property	(1,204)	(3,846)
Deferred income taxes, net	(4,359)	(5,595)
Stock-based compensation	3,573	4,270
Changes in operating assets and liabilities:
Decrease in trade and other accounts receivable	27,877	145,655
Increase in other assets	(7,884)	(13,115)
Increase (decrease) in accounts payable	727	(62,652)
Decrease in other liabilities	(2,785)	(15,734)
Increase (decrease) in insurance claims	2,484	(6,810)
NET CASH PROVIDED BY OPERATING ACTIVITIES	225,439	303,785
INVESTING ACTIVITIES
Sales and maturities of investments	81,072	93,326
Purchases of investments	(74,297)	(86,115)
Purchases of operating property	(24,256)	(15,394)
Proceeds from sales of operating property	6,265	6,631
NET CASH USED BY INVESTING ACTIVITIES	(11,216)	(1,552)
FINANCING ACTIVITIES
Decrease in cash overdraft	(10,795)	(44,886)
Dividends paid	(107,758)	(105,302)
Proceeds from exercises of stock options	0	28
Taxes paid in lieu of shares issued related to stock-based compensation plans	(3,928)	(9,186)
Purchases of common stock	(78,697)	(15,433)
Principal payments on finance lease obligations	(22,872)	(28,017)
NET CASH USED BY FINANCING ACTIVITIES	(224,050)	(202,796)
Effect of exchange rate changes on cash and cash equivalents	(2,386)	643
(Decrease) increase in cash and cash equivalents	(12,213)	100,080
Cash and cash equivalents at beginning of period	481,043	339,581
Cash and cash equivalents at end of period	$ 468,830	$ 439,661