Acquisitions (Revs and Earnings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Business Acquisition [Line Items]
Revenues	$ 570,445us-gaap_Revenues	$ 259,561us-gaap_Revenues
Net earnings	68,755us-gaap_ProfitLoss	60,114us-gaap_ProfitLoss
Less: Net earnings attributable to noncontrolling interests	47,717	42,919
Net earnings attributable to AmSurg Corp. shareholders	21,038us-gaap_NetIncomeLoss	17,195us-gaap_NetIncomeLoss
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Revenues	14,989	1,031
Net earnings	2,613	245
Less: Net earnings attributable to noncontrolling interests	761	151
Net earnings attributable to AmSurg Corp. shareholders	$ 1,852	$ 94

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