CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 44,771	$ 57,908
Restricted cash	14,325	15,706
Accounts receivable, net of allowance for doubtful accounts of $66,191 and $ 67,640 at March 31, 2012 and December 31, 2011, respectively	206,813	202,229
Prepaid expenses and other assets	28,022	29,075
Assets held for sale	4,537	0
Deferred tax assets	63,993	63,170
Total current assets	362,461	368,088
Property and equipment, net	146,033	148,298
Intangible assets, net	34,630	35,294
Goodwill	34,905	34,496
Restricted cash, non-current	353	353
Deferred tax assets	123,458	123,974
Other assets	42,825	45,163
Total assets	744,665	755,666
Current liabilities:
Accounts payable	48,836	55,888
Accrued compensation and benefits	56,494	61,101
Accrued self-insurance obligations, current portion	59,687	57,810
Other accrued liabilities	44,746	43,139
Current portion of long-term debt and capital lease obligations	995	1,017
Total current liabilities	210,758	218,955
Accrued self-insurance obligations, net of current portion	152,921	157,267
Long-term debt and capital lease obligations, net of current portion	88,500	88,768
Unfavorable lease obligations, net	6,492	7,110
Other long-term liabilities	58,454	58,110
Total liabilities	517,125	530,210
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock of $.01 par value, authorized 3,333 shares, zero shares issued and outstanding as of March 31, 2012 and December 31, 2011	0	0
Common stock of $.01 par value, authorized 41,667 shares, 25,272 and 25,146 shares issued and outstanding as of March 31, 2012 and December 31, 2011, respectively	253	251
Additional paid-in capital	728,801	726,861
Accumulated deficit	(500,214)	(500,427)
Accumulated other comprehensive loss, net	(1,300)	(1,229)
Total stockholders' equity	227,540	225,456
Total liabilities and stockholders' equity	$ 744,665	$ 755,666