Discontinued Operations (Results Of Operations Of Centers Discontinued) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Results of discontinued operations, net of tax:
Net earnings (loss) from discontinued operations	$ (1,013)	$ 0	$ 0	$ 0	$ (150)	$ (1,697)	$ 483	$ 68	$ (1,013)	$ (1,296)	$ 7,051
Net earnings (loss) from discontinued operations attributable to AmSurg Corp. common shareholders	$ (1,001)	$ 0	$ 0	$ 0	$ (196)	$ (1,376)	$ 190	$ (197)	(1,001)	(1,579)	1,694
Cash proceeds from disposal									7,114	7,069	3,553
Discontinued Operations, Disposed Of By Sale Or Abandonment [Member]
Disposal Groups, Including Discontinued Operations [Line Items]
Revenues									0	9,545	25,373
Earnings before income taxes									0	893	5,607
Results of discontinued operations, net of tax:
Earnings (loss) from operations of discontinued interests in surgery centers									(1,013)	710	4,449
Gain (loss) on disposal of discontinued interests in surgery centers									0	(2,006)	2,602
Net earnings (loss) from discontinued operations									(1,013)	(1,296)	7,051
Less: Net earnings (loss) from discontinued operations attributable to noncontrolling interests									(12)	283	5,357
Net earnings (loss) from discontinued operations attributable to AmSurg Corp. common shareholders									(1,001)	(1,579)	1,694
Cash proceeds from disposal									$ 0	$ 7,100	$ 3,600