Acquisitions (Revs and Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Revenues	$ 704,262	$ 650,227	$ 641,950	$ 570,445	$ 581,811	$ 502,350	$ 278,227	$ 259,561	$ 2,566,884	$ 1,621,949	$ 1,057,196
Net earnings	123,335	98,279	90,747	68,755	79,084	37,423	68,172	60,114	381,116	244,793	261,544
Less: Net earnings attributable to noncontrolling interests									218,169	191,092	188,841
Net earnings attributable to AmSurg Corp. common shareholders	$ 63,309	$ 40,397	$ 31,411	$ 18,774	$ 25,115	$ (12,073)	$ 18,961	$ 17,195	153,891	49,198	$ 72,703
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Revenues									179,113	20,844
Net earnings									26,901	5,155
Less: Net earnings attributable to noncontrolling interests									7,448	2,859
Net earnings attributable to AmSurg Corp. common shareholders									$ 19,453	2,296
Sheridan Healthcare [Member]
Business Acquisition [Line Items]
Revenues										517,213
Net earnings										26,776
Less: Net earnings attributable to noncontrolling interests										459
Net earnings attributable to AmSurg Corp. common shareholders										$ 26,317