Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities
Net income	$ 43,982	$ 23,463
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Distributions from unconsolidated subsidiaries	1,364	4,911
Depreciation and amortization	46,771	42,539
Provision for bad debts	85	781
Equity in earnings of unconsolidated subsidiaries	(4,697)	(5,521)
Loss on extinguishment of debt	412	6,527
Gain on sale of assets and businesses	(513)	(4,609)
Stock compensation expense	4,927	4,586
Amortization of debt discount, premium and issuance costs	3,136	3,422
Deferred income taxes	78	(3,425)
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	(45,811)	(118,269)
Other current assets	(8,945)	(7,621)
Other assets	16,633	(48)
Accounts payable	(6,552)	412
Accrued expenses	(11,981)	(18,429)
Income taxes	11,838	15,420
Net cash provided by (used in) operating activities	50,727	(55,861)
Investing activities
Business combinations, net of cash acquired	(515,359)	(9,566)
Purchases of property and equipment	(39,617)	(50,653)
Investment in businesses	(1,754)	(500)
Proceeds from sale of assets and businesses	691	19,512
Net cash provided by (used in) investing activities	(556,039)	(41,207)
Financing activities
Borrowings on revolving facilities	165,000	530,000
Payments on revolving facilities	(150,000)	(415,000)
Proceeds from term loans	779,904	1,139,822
Payments on term loans	(2,875)	(1,170,817)
Revolving facility debt issuance costs	(1,333)	(3,887)
Borrowings of other debt	11,600	6,571
Principal payments on other debt	(5,909)	(5,275)
Repurchase of common stock	(122)	(156)
Dividends paid to Holdings	0	0
Proceeds from exercise of stock options	738	617
Equity investment by Holdings	0	0
Decrease in overdrafts	(7,916)	(17,062)
Proceeds from issuance of non-controlling interests	0	2,094
Distributions to non-controlling interests	(286,641)	(3,657)
Net cash provided by (used in) financing activities	502,446	63,250
Net increase (decrease) in cash and cash equivalents	(2,866)	(33,818)
Cash and cash equivalents at beginning of period	122,549	99,029
Cash and cash equivalents at end of period	119,683	65,211
Supplemental Information
Cash paid for interest	35,233	38,565
Cash paid for taxes	376	1,207
Non-cash equity exchange for acquisition of U.S. HealthWorks	238,000	0
Select Medical Corporation
Operating activities
Net income	43,982	23,463
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Distributions from unconsolidated subsidiaries	1,364	4,911
Depreciation and amortization	46,771	42,539
Provision for bad debts	85	781
Equity in earnings of unconsolidated subsidiaries	(4,697)	(5,521)
Loss on extinguishment of debt	412	6,527
Gain on sale of assets and businesses	(513)	(4,609)
Stock compensation expense	4,927	4,586
Amortization of debt discount, premium and issuance costs	3,136	3,422
Deferred income taxes	78	(3,425)
Changes in operating assets and liabilities, net of effects of business combinations:
Accounts receivable	(45,811)	(118,269)
Other current assets	(8,945)	(7,621)
Other assets	16,633	(48)
Accounts payable	(6,552)	412
Accrued expenses	(11,981)	(18,429)
Income taxes	11,838	15,420
Net cash provided by (used in) operating activities	50,727	(55,861)
Investing activities
Business combinations, net of cash acquired	(515,359)	(9,566)
Purchases of property and equipment	(39,617)	(50,653)
Investment in businesses	(1,754)	(500)
Proceeds from sale of assets and businesses	691	19,512
Net cash provided by (used in) investing activities	(556,039)	(41,207)
Financing activities
Borrowings on revolving facilities	165,000	530,000
Payments on revolving facilities	(150,000)	(415,000)
Proceeds from term loans	779,904	1,139,822
Payments on term loans	(2,875)	(1,170,817)
Revolving facility debt issuance costs	(1,333)	(3,887)
Borrowings of other debt	11,600	6,571
Principal payments on other debt	(5,909)	(5,275)
Repurchase of common stock	0	0
Dividends paid to Holdings	(122)	(156)
Proceeds from exercise of stock options	0	0
Equity investment by Holdings	738	617
Decrease in overdrafts	(7,916)	(17,062)
Proceeds from issuance of non-controlling interests	0	2,094
Distributions to non-controlling interests	(286,641)	(3,657)
Net cash provided by (used in) financing activities	502,446	63,250
Net increase (decrease) in cash and cash equivalents	(2,866)	(33,818)
Cash and cash equivalents at beginning of period	122,549	99,029
Cash and cash equivalents at end of period	119,683	65,211
Supplemental Information
Cash paid for interest	35,233	38,565
Cash paid for taxes	376	1,207
Non-cash equity exchange for acquisition of U.S. HealthWorks	$ 238,000	$ 0