CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues:
Net patient service revenue	$ 638,690	$ 535,913	$ 517,646
Other revenue	6,027	8,050	6,838
Total revenues	644,717	543,963	524,484
Expenses:
Salaries and benefits	326,782	282,302	259,532
Medical supplies	51,838	43,027	45,361
Facility rent expenses	33,375	27,885	22,106
Other operating expenses	33,992	27,103	24,398
General and administrative expenses	81,688	65,798	54,537
Depreciation and amortization	54,084	46,346	46,416
Provision for doubtful accounts	16,117	8,831	12,871
Interest expense, net	60,656	58,505	62,502
Loss on sale of assets of a radiation treatment center		1,903
Early extinguishment of debt		10,947
Impairment loss	360,639	97,916	3,474
Loss on investments	250
Gain on fair value adjustment of previously held equity investment	(234)
Loss on foreign currency transactions	106
Loss on forward currency derivative contracts	672
Total expenses	1,019,965	670,563	531,197
Loss before income taxes	(375,248)	(126,600)	(6,713)
Income tax (benefit) expense	(25,365)	(12,810)	1,002
Net loss	(349,883)	(113,790)	(7,715)
Net income attributable to noncontrolling interests-redeemable and non-redeemable	(3,558)	(1,698)	(1,835)
Net loss attributable to Radiation Therapy Services Holdings, Inc. shareholder	(353,441)	(115,488)	(9,550)
Other comprehensive income (loss):
Unrealized gain on derivative interest rate swap agreements, net of tax	2,428	1,679	1,938
Unrealized loss on foreign currency translation	(4,909)
Unrealized loss on other comprehensive income from share of equity investee		(201)	(137)
Unrealized comprehensive (loss) income:	(2,481)	1,478	1,801
Comprehensive loss	(352,364)	(112,312)	(5,914)
Comprehensive income attributable to noncontrolling interests-redeemable and non-redeemable:	(2,914)	(1,698)	(1,835)
Comprehensive loss attributable to Radiation Therapy Services Holdings, Inc. shareholder	$ (355,278)	$ (114,010)	$ (7,749)