Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 114,758	$ 103,840
Accounts receivable, net of allowance for doubtful accounts of $16,760 and $16,941, respectively	3,025,699	2,936,732
Inventories	383,401	328,101
Other current assets	244,383	199,638
Total current assets	3,768,241	3,568,311
Property and equipment, net of accumulated depreciation and amortization of $231,333 and $233,786, respectively	189,722	176,263
Goodwill	429,215	428,346
Intangible assets, net of accumulated amortization of $118,905 and $110,909, respectively	207,116	214,788
Other assets	255,494	301,372
Total assets	4,849,788	4,689,080
Current liabilities:
Accounts payable—trade	1,623,651	1,779,854
Accounts payable—inventory financing facilities	318,433	311,878
Accrued expenses and other current liabilities	390,703	423,489
Current portion of long-term debt	344,903	36
Total current liabilities	2,677,690	2,515,257
Long-term debt	373,018	361,570
Deferred income taxes	36,631	47,073
Other liabilities	223,258	255,953
Total liabilities	3,310,597	3,179,853
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value, 3,000 shares authorized; no shares issued	0	0
Common stock, $0.01 par value, 100,000 shares authorized; 35,072 shares at March 31, 2022 and 34,897 shares at December 31, 2021 issued and outstanding	351	349
Additional paid-in capital	321,959	368,282
Retained earnings	1,242,110	1,167,690
Accumulated other comprehensive loss – foreign currency translation adjustments	(25,229)	(27,094)
Total stockholders’ equity	1,539,191	1,509,227
Total liabilities and stockholders' equity	$ 4,849,788	$ 4,689,080