Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 360,528	$ 339,581
Short-term investments	58,574	53,955
Trade accounts receivable, less allowance of $12,715 and $12,121	848,839	967,793
Other receivables, including advances to independent contractors, less allowance of $13,673 and $10,579	64,079	56,235
Other current assets	41,667	21,826
Total current assets	1,373,687	1,439,390
Operating property, less accumulated depreciation and amortization of $417,364 and $393,274	297,066	314,990
Goodwill	42,166	41,220
Other assets	124,846	136,279
Total assets	1,837,765	1,931,879
Current Liabilities
Cash overdraft	57,216	92,953
Accounts payable	478,688	527,372
Current maturities of long-term debt	31,560	36,175
Insurance claims	45,160	50,836
Dividends payable	0	71,854
Other current liabilities	80,202	98,945
Total current liabilities	692,826	878,135
Long-term debt, excluding current maturities	53,149	67,225
Insurance claims	57,240	58,268
Deferred income taxes and other noncurrent liabilities	40,989	41,030
Shareholders' Equity
Common stock, $0.01 par value, authorized 160,000,000 shares, issued 68,497,324 and 68,382,310 shares	685	684
Additional paid-in capital	253,486	258,487
Retained earnings	2,759,128	2,635,960
Cost of 32,550,852 and 32,455,300 shares of common stock in treasury	(2,009,327)	(1,992,886)
Accumulated other comprehensive loss	(10,411)	(15,024)
Total shareholders' equity	993,561	887,221
Total liabilities and shareholders' equity	$ 1,837,765	$ 1,931,879