Consolidated Condensed Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 95,687	$ 104,572
Receivables, net	784,121	754,644
Inventories	67,113	65,912
Prepaid expenses and other current assets	132,085	163,045
Total current assets	1,079,006	1,088,173
Revenue earning equipment, net of accumulated depreciation of $3,449,462 and $3,462,359, respectively	5,669,409	5,049,671
Operating property and equipment, net of accumulated depreciation of $952,543 and $911,717, respectively	620,957	624,180
Goodwill	384,477	377,306
Intangible assets	82,432	84,820
Direct financing leases and other assets	423,339	393,685
Total assets	8,259,620	7,617,835
Current liabilities:
Short-term debt and current portion of long-term debt	443,629	274,366
Accounts payable	422,791	391,827
Accrued expenses and other current liabilities	467,413	507,630
Total current liabilities	1,333,833	1,173,823
Long-term debt	3,444,461	3,107,779
Other non-current liabilities	822,002	896,587
Deferred income taxes	1,181,425	1,121,493
Total liabilities	6,781,721	6,299,682
Shareholders' equity:
Preferred stock of no par value per share - authorized, 3,800,917; none outstanding, September 30, 2012 or December 31, 2011	0	0
Common stock of $0.50 par value per share - authorized, 400,000,000; outstanding, September 30, 2012 - 51,112,478; December 31, 2011 - 51,143,946	25,556	25,572
Additional paid-in capital	793,865	769,383
Retained earnings	1,183,066	1,090,363
Accumulated other comprehensive loss	(524,588)	(567,165)
Total shareholders' equity	1,477,899	1,318,153
Total liabilities and shareholders' equity	$ 8,259,620	$ 7,617,835