Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenues		$ 374.7	$ 445.4	$ 815.7	$ 862.2
Operating expenses:
Salaries and benefits		116.1	132.7	256.5	261.9
Supplies		110.1	123.4	239.4	238.4
Professional and medical fees		45.3	36.4	92.1	71.5
Lease expense		21.5	21.0	42.8	41.6
Other operating expenses		26.3	26.9	54.7	53.1
Cost of revenues		319.3	340.4	685.5	666.5
General and administrative expenses		25.3	23.3	48.1	45.0
Depreciation and amortization		23.4	19.1	45.2	37.9
Income from equity investments		(2.5)	(2.2)	(4.5)	(4.2)
Loss (gain) on disposals and deconsolidations, net		2.9	(8.2)	6.4	(7.6)
Grant funds		(43.1)	0.0	(43.1)	0.0
Transaction and integration costs		4.9	6.2	10.4	8.2
Litigation settlement		0.0	0.0	1.2	0.0
Loss on debt extinguishment		0.0	11.7	0.0	11.7
Other income		(0.2)	(0.4)	(1.7)	(0.4)
Total operating expenses		330.0	389.9	747.5	757.1
Operating income		44.7	55.5	68.2	105.1
Tax receivable agreement expense		0.0	0.0	0.0	(2.4)
Interest expense, net		(49.2)	(46.4)	(96.3)	(88.4)
(Loss) income before income taxes		(4.5)	9.1	(28.1)	14.3
Income tax (benefit) expense		(0.6)	1.0	(15.8)	2.7
Net (loss) income		(3.9)	8.1	(12.3)	11.6
Less: Net income attributable to non-controlling interests		(28.6)	(27.9)	(47.7)	(51.5)
Net loss attributable to Surgery Partners, Inc.		(32.5)	(19.8)	(60.0)	(39.9)
Less: Amounts attributable to participating securities		(9.7)	(8.8)	(19.2)	(17.3)
Net loss attributable to common stockholders		$ (42.2)	$ (28.6)	$ (79.2)	$ (57.2)
Net loss per share attributable to common stockholders
Basic (in USD per share)		$ (0.86)	$ (0.59)	$ (1.63)	$ (1.19)
Diluted (in USD per share)	[1]	$ (0.86)	$ (0.59)	$ (1.63)	$ (1.19)
Weighted average common shares outstanding
Basic (shares)		48,840	48,291	48,661	48,241
Diluted (shares)	[1]	48,840	48,291	48,661	48,241

[1] The impact of potentially dilutive securities for all periods presented was not considered because the effect would be anti-dilutive in those periods.