Shareholder's Equity (Schedule Of Reconciliation Of Numerator And Denominators Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ 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
Equity [Abstract]
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (Numerator)	$ 64,310	$ 40,397	$ 31,411	$ 18,774	$ 25,311	$ (10,697)	$ 18,771	$ 17,392	$ 154,892	$ 50,777	$ 71,009
Convertible Preferred Dividends, Net of Tax									9,056
Net Income (Loss) Attributable to Parent, Diluted									$ 163,948
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (basic), shares (Numerator)									48,058	39,311	31,338
Effect of dilutive securities options and non-vested shares, shares									3,554	314	616
Net earnings from continuing operations attributable to AmSurg Corp. (diluted), shares (Denominator)									51,612	39,625	31,954
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (basic) (usd per share)	$ 1.31	$ 0.85	$ 0.66	$ 0.39	$ 0.53	$ (0.23)	$ 0.59	$ 0.55	$ 3.22	$ 1.29	$ 2.27
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (diluted) (usd per share)	$ 1.26	$ 0.83	$ 0.65	$ 0.39	$ 0.53	$ (0.23)	$ 0.58	$ 0.54	$ 3.18	$ 1.28	$ 2.22