Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 73,582	$ 78,348
Receivables, net of allowance of $15,648 and $13,847, respectively	1,054,469	1,010,908
Inventories	74,079	73,543
Prepaid expenses and other current assets	165,626	160,094
Total current assets	1,367,756	1,322,893
Revenue earning equipment, net	8,846,796	8,355,262
Operating property and equipment, net of accumulated depreciation of $1,224,530 and $1,192,377, respectively	823,893	776,704
Goodwill	480,351	395,504
Intangible assets, net of accumulated amortization of $60,800 and $57,420, respectively	79,613	42,930
Direct financing leases and other assets	630,457	570,706
Total assets	12,228,866	11,463,999
Current liabilities:
Short-term debt and current portion of long-term debt	740,548	826,069
Accounts payable	706,239	599,303
Accrued expenses and other current liabilities	571,777	589,603
Total current liabilities	2,018,564	2,014,975
Long-term debt	5,237,377	4,583,582
Other non-current liabilities	822,077	812,642
Deferred income taxes	1,309,445	1,211,129
Total liabilities	9,387,463	8,622,328
Shareholders’ equity:
Preferred stock, no par value per share — authorized, 3,800,917; none outstanding, June 30, 2018 or December 31, 2017	0	0
Common stock, $0.50 par value per share — authorized, 400,000,000; outstanding, June 30, 2018 — 53,094,736 December 31, 2017 — 52,955,314	26,547	26,478
Additional paid-in capital	1,062,561	1,051,017
Retained earnings	2,580,262	2,471,677
Accumulated other comprehensive loss	(827,967)	(707,501)
Total shareholders’ equity	2,841,403	2,841,671
Total liabilities and shareholders’ equity	$ 12,228,866	$ 11,463,999