Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 25, 2021	Dec. 26, 2020
Current Assets
Cash and cash equivalents	$ 230,564	$ 249,354
Short-term investments	36,644	41,375
Trade accounts receivable, less allowance of $6,543 and $8,670	1,010,538	764,169
Other receivables, including advances to independent contractors, less allowance of $7,696 and $7,239	109,007	134,757
Other current assets	25,375	18,520
Total current assets	1,412,128	1,208,175
Operating property, less accumulated depreciation and amortization of $332,785 and $299,407	301,373	296,996
Goodwill	40,980	40,949
Other assets	159,561	107,679
Total assets	1,914,042	1,653,799
Current Liabilities
Cash overdraft	88,958	74,748
Accounts payable	548,385	380,505
Current maturities of long-term debt	34,617	35,415
Insurance claims	64,958	149,774
Dividends payable		76,770
Other current liabilities	110,394	88,925
Total current liabilities	847,312	806,137
Long-term debt, excluding current maturities	62,724	65,359
Insurance claims	46,914	38,867
Deferred income taxes and other noncurrent liabilities	57,402	51,601
Shareholders' Equity
Common stock, $0.01 par value, authorized 160,000,000 shares, issued 68,231,013 and 68,183,702 shares	682	682
Additional paid-in capital	246,302	228,875
Retained earnings	2,288,754	2,046,238
Cost of 30,122,427 and 29,797,639 shares of common stock in treasury	(1,633,109)	(1,581,961)
Accumulated other comprehensive loss	(2,939)	(1,999)
Total shareholders' equity	899,690	691,835
Total liabilities and shareholders' equity	$ 1,914,042	$ 1,653,799