Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 44,656	$ 47,494
Restricted cash	96,294	84,568
Accounts receivable, net	332,312	276,879
Income tax refund receivable	8,633	5,059
Inventories and supplies	17,916	9,882
Assets held for sale	11,526	8,862
Prepaid taxes, licenses, insurance and other	43,184	40,709
Deferred income taxes	27,798	30,741
Other current assets	12,303	8,122
Total current assets	594,622	512,316
Property and equipment, at cost:
Revenue and service equipment	1,648,280	1,600,025
Land	136,043	141,474
Facilities and improvements	227,758	224,976
Furniture and office equipment	36,317	33,660
Total property and equipment	2,048,398	2,000,135
Less: accumulated depreciation and amortization	730,563	660,497
Net property and equipment	1,317,835	1,339,638
Insurance claims receivable	0	34,892
Other assets	66,497	59,049
Intangible assets, net	359,400	368,744
Goodwill	253,256	253,256
Total assets	2,591,610	2,567,895
Current liabilities:
Accounts payable	97,855	90,220
Accrued liabilities	104,044	80,455
Current portion of claims accruals	75,021	86,553
Current portion of long-term debt and obligations under capital leases	55,728	66,070
Fair value of guarantees	2,886	2,886
Total current liabilities	335,534	326,184
Long-term debt and obligations under capital leases	1,632,732	1,708,030
Claims accruals, less current portion	110,433	135,596
Deferred income taxes	315,066	303,549
Securitization of accounts receivable	176,000	171,500
Fair value of interest rate swaps	3,412	0
Other liabilities	4,133	6,207
Total liabilities	2,577,310	2,651,066
Contingencies (note 13)
Stockholders' equity (deficit):
Preferred stock, par value $0.01 per share; Authorized 1,000,000 shares; none issued	0	0
Additional paid-in capital	890,066	822,140
Accumulated deficit	(863,883)	(886,671)
Accumulated other comprehensive loss	(13,480)	(20,076)
Noncontrolling interest	202	102
Total stockholders' equity (deficit)	14,300	(83,171)
Total liabilities and stockholders' equity (deficit)	2,591,610	2,567,895
Common Class A
Stockholders' equity (deficit):
Common stock value	794	733
Total stockholders' equity (deficit)	794	733
Common Class B
Stockholders' equity (deficit):
Common stock value	601	601
Total stockholders' equity (deficit)	$ 601	$ 601