Acquisitions (Revs and Earnings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Business Acquisition [Line Items]
Net earnings (loss)	$ 60,114	$ 62,273
Less: Net earnings attributable to noncontrolling interests	42,919	44,462
Net earnings and comprehensive income attributable to AmSurg Corp. common shareholders	17,195	17,811
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Revenues	1,031	0
Net earnings (loss)	245	0
Less: Net earnings attributable to noncontrolling interests	151	0
Net earnings and comprehensive income attributable to AmSurg Corp. common shareholders	$ 94	$ 0