Acquisitions (Revs and Earnings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition [Line Items]
Revenues	$ 581,811	$ 502,350	$ 278,227	$ 259,561	$ 279,095	$ 262,240	$ 262,497	$ 253,364	$ 1,621,949	$ 1,057,196	$ 899,245
Net earnings	79,084	37,422	68,172	60,115	71,168	62,267	65,836	62,273	244,793	261,544	223,643
Less: Net earnings attributable to noncontrolling interests									191,092	188,841	161,080
Net earnings attributable to AmSurg Corp. shareholders									53,701	72,703	62,563
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Revenues									20,844	15,616
Net earnings									5,155	4,596
Less: Net earnings attributable to noncontrolling interests									2,859	2,603
Net earnings attributable to AmSurg Corp. shareholders									2,296	1,993
Sheridan Healthcare [Member]
Business Acquisition [Line Items]
Revenues									517,213
Net earnings									26,776
Less: Net earnings attributable to noncontrolling interests									459
Net earnings attributable to AmSurg Corp. shareholders									$ 26,317