Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 187,532	$ 257,413
Receivables, net of allowance for credit loss of $33,480 and $41,542	3,802,160	3,963,487
Contract assets, net of allowance for credit loss	363,697	453,660
Prepaid expenses and other	79,977	129,593
Total current assets	4,433,366	4,804,153
Property and equipment, net of accumulated depreciation and amortization	158,706	139,831
Goodwill	1,458,303	1,484,754
Other intangible assets, net of accumulated amortization	68,122	89,606
Right-of-use lease assets	349,386	292,559
Deferred tax assets	207,452	124,900
Other assets	120,195	92,309
Total assets	6,795,530	7,028,112
Current liabilities:
Accounts payable	1,662,606	1,813,473
Outstanding checks	93,163	105,828
Accrued expenses:
Compensation	204,661	201,421
Transportation expense	280,500	342,778
Income taxes	62,912	100,265
Other accrued liabilities	205,034	171,266
Current lease liabilities	71,002	66,311
Current portion of debt	779,000	525,000
Total current liabilities	3,358,878	3,326,342
Long-term debt	1,419,380	1,393,649
Noncurrent lease liabilities	293,325	241,369
Noncurrent income taxes payable	26,865	28,390
Deferred tax liabilities	18,041	16,113
Other long-term liabilities	1,480	315
Total liabilities	5,117,969	5,006,178
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 179,206 shares issued, 120,594 and 129,186 outstanding	12,059	12,919
Additional paid-in capital	731,496	673,628
Retained earnings	5,567,592	4,936,861
Accumulated other comprehensive loss	(137,650)	(61,134)
Treasury stock at cost (58,610 and 50,020 shares)	(4,495,936)	(3,540,340)
Total stockholders’ investment	1,677,561	2,021,934
Total liabilities and stockholders’ investment	$ 6,795,530	$ 7,028,112