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		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Convertible Preferred Dividends, Net of Tax		$ 2,264
Net earnings (loss) from continuing operations attributable to AmSurg Corp. common shareholders (Numerator)	$ 37,690	$ 40,397	$ 110,094	$ 90,582
Net earnings (loss) from continuing operations attributable to AmSurg Corp. common shareholders (basic), shares (Denominator)	53,757	47,707	53,720	47,652
Earnings Per Share, Basic	$ 0.70	$ 0.85	$ 2.05	$ 1.90
Effect of dilutive securities, options and non-vested shares	501	3,568	432	398
Net Income (Loss) Attributable to Parent, Diluted	$ 37,690	$ 42,661	$ 110,094	$ 90,582
Net earnings (loss) from continuing operations attributable to AmSurg Corp. (diluted), shares (Denominator)	54,258	51,275	54,152	48,050
Earnings Per Share, Diluted	$ 0.69	$ 0.83	$ 2.03	$ 1.89
Mandatory Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive shares	3,100		3,100	3,100