Shareholder's Equity (Schedule Of Reconciliation Of Numerator And Denominators Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (Numerator)	$ 25,311	$ (10,697)	$ 18,771	$ 17,392	$ 18,931	$ 16,636	$ 18,093	$ 17,349	$ 50,777	$ 71,009	$ 60,037
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (basic), shares (Denominator)									39,311,000	31,338,000	30,773,000
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (basic) (usd per share)	$ 0.53	$ (0.23)	$ 0.59	$ 0.55	$ 0.60	$ 0.53	$ 0.58	$ 0.56	$ 1.29	$ 2.27	$ 1.95
Effect of dilutive securities options and non-vested shares, shares									314,000	616,000	835,000
Net earnings from continuing operations attributable to AmSurg Corp. (diluted), shares (Denominator)									39,625,000	31,954,000	31,608,000
Net earnings from continuing operations attributable to AmSurg Corp. common shareholders (diluted) (usd per share)	$ 0.53	$ (0.23)	$ 0.58	$ 0.54	$ 0.59	$ 0.52	$ 0.57	$ 0.54	$ 1.28	$ 2.22	$ 1.90
Mandatory Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive shares									1,800,000