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		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Shareholders' Equity
Net earnings from continuing operations attributable to AmSurg Corp. per common share, Earnings (Numerator)	$ 16,196	$ 12,683	$ 31,915	$ 24,288
Net earnings attributable to AmSurg Corp. per common share, Earnings (Numerator)	$ 15,536	$ 11,630	$ 30,312	$ 23,323
Net earnings from continuing operations attributable to AmSurg Corp. per common share (basic), Shares (Denominator)	30,743,000	30,415,000	30,681,000	30,418,000
Net earnings from continuing operations attributable to AmSurg Corp. per common share (diluted), Shares (Denominator)	31,577,000	31,335,000	31,489,000	31,180,000
Dilutive Securities, Effect on Basic Earnings Per Share	834	920	808	762
Net earnings from continuing operations attributable to AmSurg Corp. per common share (basic), Per Share Amount	$ 0.53	$ 0.42	$ 1.04	$ 0.80
Net earnings from continuing operations attributable to AmSurg Corp. per common share (diluted), Per Share Amount	$ 0.51	$ 0.40	$ 1.01	$ 0.78
Net earnings attributable to AmSurg Corp. per common share (basic), Per Share Amount	$ 0.51	$ 0.38	$ 0.99	$ 0.77
Net earnings attributable to AmSurg Corp. per common share (diluted), Per Share Amount	$ 0.49	$ 0.37	$ 0.96	$ 0.75