Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 124,831	$ 142,655
Accounts receivable, net of allowance for doubtful accounts of $10,903 and $10,462, respectively	1,723,817	1,931,736
Inventories	187,146	148,503
Other current assets	117,199	115,683
Total current assets	2,152,993	2,338,577
Property and equipment, net of accumulated depreciation and amortization of $273,379 and $331,700, respectively	74,038	72,954
Goodwill	166,073	166,841
Intangible assets, net of accumulated amortization of $56,255 and $52,942, respectively	108,856	112,179
Deferred income taxes	7,345	7,967
Other assets	247,162	77,429
Total assets	2,756,467	2,775,947
Current liabilities:
Accounts payable—trade	897,609	978,104
Accounts payable—inventory financing facility	260,160	304,130
Accrued expenses and other current liabilities	183,678	190,733
Current portion of long-term debt	1,161	1,395
Deferred revenue	66,646	62,300
Total current liabilities	1,409,254	1,536,662
Long-term debt	113,227	195,525
Deferred income taxes	604	683
Other liabilities	207,164	56,088
Total liabilities	1,730,249	1,788,958
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value, 3,000 shares authorized; no shares issued
Common stock, $0.01 par value, 100,000 shares authorized; 35,762 shares at March 31, 2019 and 35,482 shares at December 31, 2018 issued and outstanding	358	355
Additional paid-in capital	321,606	323,622
Retained earnings	743,992	704,665
Accumulated other comprehensive loss – foreign currency translation adjustments	(39,738)	(41,653)
Total stockholders’ equity	1,026,218	986,989
Total liabilities and stockholders' equity	$ 2,756,467	$ 2,775,947