Income Taxes (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
Jan. 31, 2012 Deferred tax liabilities recorded for intangibles and fixed assets Surgical Services (previously, Emergent Group)	Dec. 31, 2011 Deferred tax liabilities recorded for intangibles and fixed assets Surgical Services (previously, Emergent Group)	Sep. 30, 2012 Year-to-date losses	Dec. 31, 2011 Year-to-date losses
Valuation allowance
Change in valuation allowance	$ (3.4)	$ (9.0)	$ 9.5	$ 1.8

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 26

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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