Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (34.3)	$ 10.9	$ (46.6)	$ 22.5
Other comprehensive income (loss), net of tax:
Derivative activity	3.3	(6.8)	(14.6)	(35.1)
Comprehensive (loss) income	(31.0)	4.1	(61.2)	(12.6)
Less: Comprehensive income attributable to non-controlling interests	(27.3)	(26.6)	(75.0)	(78.1)
Comprehensive loss attributable to Surgery Partners, Inc.	$ (58.3)	$ (22.5)	$ (136.2)	$ (90.7)