Acquisitions (Revs and Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Business Acquisition [Line Items]
Net revenue	$ 724,678	$ 570,445
Net earnings	84,704	68,755
Less: Net earnings attributable to noncontrolling interests	53,841	47,717
Net earnings attributable to AmSurg Corp. shareholders	$ 30,863	21,038
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Net revenue		14,989
Net earnings		2,613
Less: Net earnings attributable to noncontrolling interests		761
Net earnings attributable to AmSurg Corp. shareholders		$ 1,852