Acquisitions (Revs and Earnings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Business Acquisition [Line Items]
Net earnings (loss)	$ 65,836	$ 55,545	$ 128,109	$ 110,484
Less: Net earnings attributable to noncontrolling interests	47,273	40,009	91,735	80,172
Net earnings (loss) attributable to AmSurg Corp. common shareholders	18,563	15,536	36,374	30,312
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Revenues			1,341	730
Net earnings (loss)			426	222
Less: Net earnings attributable to noncontrolling interests			227	105
Net earnings (loss) attributable to AmSurg Corp. common shareholders			$ 199	$ 117