Shareholder's Equity (Schedule Of Reconciliation Of Numerator And Denominators Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Shareholders' Equity
Net earnings from continuing operations attributable to AmSurg Corp. per common share, Earnings (Numerator)	$ 15,437	$ 13,017	$ 47,352	$ 37,305
Net earnings attributable to AmSurg Corp. per common share, Earnings (Numerator)	$ 15,437	$ 13,126	$ 45,749	$ 36,449
Net earnings from continuing operations attributable to AmSurg Corp. per common share (basic), Shares (Denominator)	30,819	30,436	30,727	30,424
Net earnings from continuing operations attributable to AmSurg Corp. per common share (diluted), Shares (Denominator)	31,697	31,162	31,558	31,174
Dilutive Securities, Effect on Basic Earnings Per Share	878	726	831	750
Net earnings from continuing operations attributable to AmSurg Corp. per common share (basic), Per Share Amount	$ 0.50	$ 0.43	$ 1.54	$ 1.23
Net earnings from continuing operations attributable to AmSurg Corp. per common share (diluted), Per Share Amount	$ 0.49	$ 0.42	$ 1.50	$ 1.20
Net earnings attributable to AmSurg Corp. per common share (basic), Per Share Amount	$ 0.50	$ 0.43	$ 1.49	$ 1.20
Net earnings attributable to AmSurg Corp. per common share (diluted), Per Share Amount	$ 0.49	$ 0.42	$ 1.45	$ 1.17