Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 26, 2021	Dec. 26, 2020
Current Assets
Cash and cash equivalents	$ 186,404	$ 249,354
Short-term investments	52,560	41,375
Trade accounts receivable, less allowance of $6,199 and $8,670	902,950	764,169
Other receivables, including advances to independent contractors, less allowance of $6,843 and $7,239	49,819	134,757
Other current assets	41,533	18,520
Total current assets	1,233,266	1,208,175
Operating property, less accumulated depreciation and amortization of $321,181 and $299,407	281,016	296,996
Goodwill	40,973	40,949
Other assets	147,958	107,679
Total assets	1,703,213	1,653,799
Current Liabilities
Cash overdraft	70,554	74,748
Accounts payable	481,711	380,505
Current maturities of long-term debt	30,450	35,415
Insurance claims	41,854	149,774
Dividends payable		76,770
Other current liabilities	95,646	88,925
Total current liabilities	720,215	806,137
Long-term debt, excluding current maturities	51,181	65,359
Insurance claims	43,053	38,867
Deferred income taxes and other noncurrent liabilities	58,591	51,601
Shareholders' Equity
Common stock, $0.01 par value, authorized 160,000,000 shares, issued 68,229,800 and 68,183,702 shares	682	682
Additional paid-in capital	238,422	228,875
Retained earnings	2,199,637	2,046,238
Cost of 29,954,081 and 29,797,639 shares of common stock in treasury	(1,606,716)	(1,581,961)
Accumulated other comprehensive loss	(1,852)	(1,999)
Total shareholders' equity	830,173	691,835
Total liabilities and shareholders' equity	$ 1,703,213	$ 1,653,799