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
	Mar. 31, 2012	Mar. 31, 2011
Shareholders' Equity
Net earnings from continuing operations attributable to AmSurg Corp. per common share, Earnings (Numerator)	$ 15,719	$ 11,605
Net earnings attributable to AmSurg Corp. per common share, Earnings (Numerator)	$ 14,776	$ 11,693
Net earnings from continuing operations attributable to AmSurg Corp. per common share (basic), Shares (Denominator)	30,619,000	30,420,000
Net earnings from continuing operations attributable to AmSurg Corp. per common share (diluted), Shares (Denominator)	31,401,000	31,024,000
Dilutive Securities, Effect on Basic Earnings Per Share	782	604
Net earnings from continuing operations attributable to AmSurg Corp. per common share (basic), Per Share Amount	$ 0.51	$ 0.38
Net earnings from continuing operations attributable to AmSurg Corp. per common share (diluted), Per Share Amount	$ 0.50	$ 0.37
Net earnings attributable to AmSurg Corp. per common share (basic), Per Share Amount	$ 0.48	$ 0.38
Net earnings attributable to AmSurg Corp. per common share (diluted), Per Share Amount	$ 0.47	$ 0.38