CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 143,087	$ 128,940
Restricted cash	0	359,388
Receivables, net of allowance for doubtful accounts of $45,952 and $41,051	1,651,794	1,571,591
Deferred tax asset	16,057	7,746
Prepaid expenses and other	45,273	37,794
Total current assets	1,856,211	2,105,459
Property and equipment, net	190,244	152,471
Goodwill	1,097,740	825,038
Other intangible assets, net	126,353	98,330
Other assets	42,017	33,040
Total assets	3,312,565	3,214,338
Current liabilities:
Accounts payable	799,307	716,654
Outstanding checks	60,885	78,601
Accrued expenses:
Compensation and profit-sharing contribution	124,011	125,624
Income taxes	21,215	4,616
Other accrued liabilities	45,841	45,365
Current portion of debt	530,000	605,000
Total current liabilities	1,581,259	1,575,860
Long-term debt	500,000	500,000
Noncurrent income taxes payable	23,588	24,279
Deferred tax liabilities	76,144	66,961
Other long term liabilities	211	223
Total liabilities	2,181,202	2,167,323
Stockholders’ investment:
Preferred stock, $ .10 par value, 20,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $ .10 par value, 480,000 shares authorized; 178,510 and 178,621 shares issued, 144,108 and 146,458 outstanding	14,411	14,646
Additional paid-in capital	365,524	321,968
Retained earnings	2,860,204	2,648,539
Accumulated other comprehensive loss	(44,073)	(28,610)
Treasury stock at cost (34,402 and 32,163 shares)	(2,064,703)	(1,909,528)
Total stockholders’ investment	1,131,363	1,047,015
Total liabilities and stockholders’ investment	$ 3,312,565	$ 3,214,338