Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 6,914	$ 8,892
Accounts receivable, net of allowances of $592 and $426	373,655	199,604
Inventories	48,896	50,687
Prepaid expenses and other current assets	31,040	15,936
Deferred income taxes	4,956	3,922
Current assets of discontinued operations	422	26
Total current assets	465,883	279,067
Property and equipment, net	83,915	74,368
Goodwill	66,144	25,510
Intangible assets, net	12,330	4,673
Other assets	$ 7,224	5,558
Non-current assets of discontinued operations		14
Total assets	$ 635,496	389,190
Current liabilities:
Accounts payable	294,178	122,333
Accrued expenses and other current liabilities	45,286	26,107
Deferred revenue	21,959	10,089
Line of credit	69,158	52,795
Notes payable - current	4,952	3,741
Current liabilities of discontinued operations	346	577
Total current liabilities	435,879	215,642
Notes payable	36,677	22,415
Other long-term liabilities	23,782	5,600
Deferred income taxes	11,697	12,217
Total liabilities	$ 508,035	$ 255,874
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; none issued and outstanding
Common stock, $0.001 par value; 30,000,000 shares authorized; 15,902,012 and 15,758,714 shares issued; 12,096,724 and 12,267,550 shares outstanding	$ 16	$ 16
Additional paid-in capital	122,124	120,915
Treasury stock, at cost: 3,805,288 and 3,491,164 shares	(20,531)	(17,472)
Accumulated other comprehensive income	242	941
Retained earnings	25,610	28,916
Total stockholders' equity	127,461	133,316
Total liabilities and stockholders' equity	$ 635,496	$ 389,190