Acquisitions and Disposals (Revs and Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Net revenue	$ 822,216	$ 650,227	$ 2,305,393	$ 1,862,622
Net earnings	95,580	98,279	283,403	257,781
Less: Net earnings attributable to noncontrolling interests	55,626	55,618	166,517	160,407
Net earnings attributable to AmSurg Corp. shareholders	$ 39,954	$ 42,661	116,886	97,374
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Net revenue			52,225	95,026
Net earnings			6,632	18,605
Less: Net earnings attributable to noncontrolling interests			1,379	4,561
Net earnings attributable to AmSurg Corp. shareholders			$ 5,253	$ 14,044