Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES
Net loss	$ (19,607)	$ (21,024)
Items included in net loss not requiring cash:
Provision for doubtful accounts	11,858	20,264
Depreciation	28,705	31,121
Amortization of intangible assets	661	1,077
Amortization of deferred debt issuance costs	3,451	2,909
Deferred income taxes	137	(11,801)
Profit interest compensation	739	828
Loss on disposition of assets and other	5,597	3,624
Changes in operating assets and liabilities, exclusive of effects of acquisitions:
Accounts receivable	(37,125)	(42,047)
Inventories	(6,344)	4,864
Prepaid expenses and other assets	(2,575)	(4,362)
Accounts payable, exclusive of book-cash overdraft	15,062	6,482
Accrued payroll and related taxes and benefits	2,462	4,742
Income taxes payable	260	274
Deferred revenue, net of related expenses	(1,062)	3,130
Accrued expenses	27,149	34,086
NET CASH PROVIDED BY OPERATING ACTIVITIES	29,368	34,167
INVESTING ACTIVITIES
Purchases of patient service equipment and property, equipment and improvements, exclusive of effects of acquisitions	(44,783)	(34,089)
Proceeds from disposition of assets	13	7
Cash paid for acquisitions	(94)	(22,439)
NET CASH USED IN INVESTING ACTIVITIES	(44,864)	(56,521)
FINANCING ACTIVITIES
Proceeds from ABL Facility	67,000
Payments on ABL Facility	(57,000)
Payments on other long-term debt	(86)	(400)
Cash paid on profit interest units		(1,000)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	9,914	(1,400)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(5,582)	(23,754)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	29,096	109,137
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 23,514	$ 85,383