Financial Information for the Company and Its Subsidiaries (Income Statements) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended
	Mar. 03, 2015	Mar. 31, 2015	Mar. 31, 2014
Condensed Financial Statements, Captions [Line Items]
Revenues		$ 570,445	$ 259,561
Operating expenses:
Salaries and benefits		302,179	82,149
Supply cost		42,584	37,805
Other operating expenses		90,570	54,169
Transaction costs		1,471	0
Depreciation and amortization		22,818	8,259
Total operating expenses		459,622	182,382
Gain (loss) on deconsolidation		(223)	2,045
Equity in earnings of unconsolidated affiliates		2,651	764
Operating income		113,251	79,988
Interest expense, net		30,247	6,960
Earnings from continuing operations before income taxes		83,004	73,028
Income tax expense		14,249	12,982
Net earnings from continuing operations		68,755	60,046
Net earnings from discontinued operations		0	68
Net earnings		68,755	60,114
Less net earnings attributable to noncontrolling interests		47,717	42,919
Net earnings attributable to AmSurg Corp. shareholders		21,038	17,195
Preferred stock dividends	(2,300)	(2,264)	0
Net earnings attributable to AmSurg Corp. common shareholders		18,774	17,195
Amounts attributable to AmSurg Corp. common shareholders:
Earnings from continuing operations, net of income tax		18,774	17,392
Loss from discontinued operations, net of income tax		0	(197)
Net earnings attributable to AmSurg Corp. common shareholders		18,774	17,195
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues		(8,854)	(4,609)
Operating expenses:
Salaries and benefits		(128)	(121)
Supply cost		0	0
Other operating expenses		(8,726)	(4,488)
Transaction costs		0
Depreciation and amortization		0	0
Total operating expenses		(8,854)	(4,609)
Gain (loss) on deconsolidation		188	(2,045)
Equity in earnings of unconsolidated affiliates		(112,319)	(95,340)
Operating income		(112,131)	(97,385)
Interest expense, net		0	0
Earnings from continuing operations before income taxes		(112,131)	(97,385)
Income tax expense		0	0
Net earnings from continuing operations			(97,385)
Net earnings from discontinued operations			0
Net earnings		(112,131)	(97,385)
Less net earnings attributable to noncontrolling interests		0	0
Net earnings attributable to AmSurg Corp. shareholders		(112,131)	(97,385)
Preferred stock dividends		0
Net earnings attributable to AmSurg Corp. common shareholders		(112,131)
Amounts attributable to AmSurg Corp. common shareholders:
Earnings from continuing operations, net of income tax			(97,385)
Loss from discontinued operations, net of income tax			0
Net earnings attributable to AmSurg Corp. common shareholders		(112,131)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues		7,091	6,127
Operating expenses:
Salaries and benefits		17,643	14,485
Supply cost		0	0
Other operating expenses		6,634	4,166
Transaction costs		268
Depreciation and amortization		834	825
Total operating expenses		25,379	19,476
Gain (loss) on deconsolidation		(188)	2,045
Equity in earnings of unconsolidated affiliates		60,387	48,052
Operating income		41,911	36,748
Interest expense, net		11,886	6,452
Earnings from continuing operations before income taxes		30,025	30,296
Income tax expense		8,987	12,704
Net earnings from continuing operations			17,592
Net earnings from discontinued operations			(397)
Net earnings		21,038	17,195
Less net earnings attributable to noncontrolling interests		0	0
Net earnings attributable to AmSurg Corp. shareholders		21,038	17,195
Preferred stock dividends		(2,264)
Net earnings attributable to AmSurg Corp. common shareholders		18,774
Amounts attributable to AmSurg Corp. common shareholders:
Earnings from continuing operations, net of income tax			17,592
Loss from discontinued operations, net of income tax			(397)
Net earnings attributable to AmSurg Corp. common shareholders		18,774
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues		285,579	0
Operating expenses:
Salaries and benefits		211,601	0
Supply cost		396	0
Other operating expenses		29,611	0
Transaction costs		1,203
Depreciation and amortization		14,307	0
Total operating expenses		257,118	0
Gain (loss) on deconsolidation		(188)	2,045
Equity in earnings of unconsolidated affiliates		54,583	48,052
Operating income		82,856	50,097
Interest expense, net		17,754	0
Earnings from continuing operations before income taxes		65,102	50,097
Income tax expense		4,903	0
Net earnings from continuing operations			50,097
Net earnings from discontinued operations			0
Net earnings		60,199	50,097
Less net earnings attributable to noncontrolling interests		0	0
Net earnings attributable to AmSurg Corp. shareholders		60,199	50,097
Preferred stock dividends		0
Net earnings attributable to AmSurg Corp. common shareholders		60,199
Amounts attributable to AmSurg Corp. common shareholders:
Earnings from continuing operations, net of income tax			50,097
Loss from discontinued operations, net of income tax			0
Net earnings attributable to AmSurg Corp. common shareholders		60,199
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Revenues		286,629	258,043
Operating expenses:
Salaries and benefits		73,063	67,785
Supply cost		42,188	37,805
Other operating expenses		63,051	54,491
Transaction costs		0
Depreciation and amortization		7,677	7,434
Total operating expenses		185,979	167,515
Gain (loss) on deconsolidation		(35)	0
Equity in earnings of unconsolidated affiliates		0	0
Operating income		100,615	90,528
Interest expense, net		607	508
Earnings from continuing operations before income taxes		100,008	90,020
Income tax expense		359	278
Net earnings from continuing operations			89,742
Net earnings from discontinued operations			465
Net earnings		99,649	90,207
Less net earnings attributable to noncontrolling interests		47,717	42,919
Net earnings attributable to AmSurg Corp. shareholders		51,932	47,288
Preferred stock dividends		0
Net earnings attributable to AmSurg Corp. common shareholders		51,932
Amounts attributable to AmSurg Corp. common shareholders:
Earnings from continuing operations, net of income tax			47,088
Loss from discontinued operations, net of income tax			200
Net earnings attributable to AmSurg Corp. common shareholders		$ 51,932