Segment Reporting

The Company operates in three major lines of business that are also the Company's reportable operating segments - the operation of surgical facilities, the operation of ancillary services and the operation of optical services. The surgical facility services segment consists of the operation of ASCs and surgical hospitals and includes anesthesia services. The ancillary services segment consists of a diagnostic laboratory and multi-specialty physician practices. The optical services segment consists of an optical products group purchasing organization. "All other" primarily consists of the Company's corporate general and administrative functions.

The following tables present financial information for each reportable segment (in millions):



	Three Months Ended March 31,
	2020			2019
Revenues:
Surgical facility services	$	423.2		$	395.8
Ancillary services	17.0			19.9
Optical services	0.8			1.1
Total	$	441.0		$	416.8

Adjusted EBITDA:
Surgical facility services	$	67.2		$	68.4
Ancillary services	(2.0		)	1.2
Optical services	0.4			0.5
All other	(19.1		)	(19.4		)
Total	$	46.5		$	50.7

Reconciliation of Adjusted EBITDA:
(Loss) income before income taxes	$	(23.6	)	$	5.2

Net income attributable to non-controlling interests	(19.1		)	(23.6		)
Depreciation and amortization	21.8			18.8
Interest expense, net	47.1			42.0
Equity-based compensation expense	3.5			1.9
Transaction, integration and acquisition costs ⁽¹⁾	12.6			3.4
Loss on disposals and deconsolidations, net	3.5			0.6
Litigation settlement and other litigation costs ⁽²⁾	1.5			—
Gain on escrow release ⁽³⁾	(0.8		)	—
Tax receivable agreement expense	—			2.4
Adjusted EBITDA	$	46.5		$	50.7


(1)	This amount includes transaction and integration costs of $5.5 million and $2.0 million for the three months ended March 31, 2020 and 2019, respectively. This amount further includes other acquisition costs and start-up costs related to a de novo surgical hospital of $7.1 million and $1.4 million for the three months ended March 31, 2020 and 2019, respectively.


(2)	This amount includes litigation settlement costs of $1.2 million and other litigation costs of $0.3 million for the three months ended March 31, 2020, with no comparable costs in the same 2019 period.


(3)	Included in other income in the condensed consolidated statement of operations for the three months ended March 31, 2020, with no comparable gain in the same 2019 period.



	March 31, 2020		December 31, 2019
Assets:
Surgical facility services	$	4,596.9	$	4,580.4
Ancillary services	69.9		69.6
Optical services	17.7		17.7
All other	406.4		351.2
Total assets	$	5,090.9	$	5,018.9



	Three Months Ended March 31,
	2020		2019
Cash purchases of property and equipment, net:
Surgical facility services	$	11.0	$	10.9
Ancillary services	0.1		0.1
All other	0.7		0.8
Total cash purchases of property and equipment, net	$	11.8	$	11.8