Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 26, 2015	Dec. 27, 2014
Current Assets
Cash and cash equivalents	$ 114,520	$ 163,944
Short-term investments	48,823	37,007
Trade accounts receivable, less allowance of $4,327 and $4,338	462,699	492,642
Other receivables, including advances to independent contractors, less allowance of $4,143 and $4,189	18,472	15,132
Deferred income taxes and other current assets	18,156	23,603
Total current assets	662,670	732,328
Operating property, less accumulated depreciation and amortization of $182,591 and $160,681	225,927	202,203
Goodwill	31,134	31,134
Other assets	78,339	78,547
Total assets	998,070	1,044,212
Current Liabilities
Cash overdraft	35,609	34,629
Accounts payable	223,709	220,077
Current maturities of long-term debt	42,499	35,064
Insurance claims	19,757	24,233
Dividends payable		44,794
Other current liabilities	47,963	51,654
Total current liabilities	369,537	410,451
Long-term debt, excluding current maturities	81,793	76,257
Insurance claims	21,477	21,769
Deferred income taxes and other noncurrent liabilities	59,026	47,474
Shareholders' Equity
Common stock, $0.01 par value, authorized 160,000,000 shares, issued 67,391,616 and 67,268,817 shares	674	673
Additional paid-in capital	195,841	189,012
Retained earnings	1,389,975	1,255,374
Cost of 24,972,079 and 22,474,331 shares of common stock in treasury	(1,116,765)	(955,613)
Accumulated other comprehensive loss	(3,488)	(1,185)
Total shareholders' equity	466,237	488,261
Total liabilities and shareholders' equity	$ 998,070	$ 1,044,212