Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 174,733	$ 217,482
Receivables, net of allowance for credit loss of $17,312 and $28,749	2,442,297	2,991,753
Contract assets, net of allowance for credit loss	204,737	257,597
Prepaid expenses and other	137,476	122,406
Total current assets	2,959,243	3,589,238
Property and equipment, net of accumulated depreciation and amortization	150,858	159,432
Goodwill	1,465,319	1,470,813
Other intangible assets, net of accumulated amortization	46,579	64,026
Right-of-use lease assets	350,896	372,141
Deferred tax assets	214,528	181,602
Other assets	130,244	117,312
Total assets	5,317,667	5,954,564
Current liabilities:
Accounts payable	1,375,529	1,466,998
Outstanding checks	68,657	103,561
Accrued expenses:
Compensation	134,778	242,605
Transportation expense	156,611	199,092
Income taxes	6,782	15,210
Other accrued liabilities	170,539	168,009
Current lease liabilities	73,681	73,722
Current portion of debt	662,966	1,053,655
Total current liabilities	2,649,543	3,322,852
Long-term debt	920,720	920,049
Noncurrent lease liabilities	294,751	313,742
Noncurrent income taxes payable	29,640	28,317
Deferred tax liabilities	14,656	14,256
Other long-term liabilities	3,773	1,926
Total liabilities	3,913,083	4,601,142
Stockholders’ investment:
Preferred stock, $0.10 par value, 20,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.10 par value, 480,000 shares authorized; 179,204 and 179,204 shares issued, 116,465 and 116,323 outstanding	11,647	11,632
Additional paid-in capital	747,500	743,288
Retained earnings	5,663,714	5,590,440
Accumulated other comprehensive loss	(107,810)	(88,860)
Treasury stock at cost (62,739 and 62,881 shares)	(4,910,467)	(4,903,078)
Total stockholders’ investment	1,404,584	1,353,422
Total liabilities and stockholders’ investment	$ 5,317,667	$ 5,954,564