Acquisitions (Revs and Earnings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Business Acquisition [Line Items]
Net earnings (loss)	$ 62,267	$ 53,765	$ 190,376	$ 164,249
Less: Net earnings attributable to noncontrolling interests	45,496	38,328	137,231	118,500
Net earnings (loss) attributable to AmSurg Corp. common shareholders	16,771	15,437	53,145	45,749
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Revenues			6,422	1,979
Net earnings (loss)			1,922	623
Less: Net earnings attributable to noncontrolling interests			1,081	329
Net earnings (loss) attributable to AmSurg Corp. common shareholders			$ 841	$ 294