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Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | $ 667.2 | $ 627.8
Accumulated Amortization | (255.9) | (208.4)
Net | 411.3 | 419.4
Certificate of Need [Member] |  |
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | 98.6 | 93.9
Accumulated Amortization | (12.9) | (6.9)
Net | 85.7 | 87.0
Licenses [Member] |  |
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | 142.0 | 138.9
Accumulated Amortization | (62.1) | (53.7)
Net | 79.9 | 85.2
Noncompete Agreements [Member] |  |
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | 62.2 | 58.0
Accumulated Amortization | (47.3) | (37.0)
Net | 14.9 | 21.0
Trade Name - Encompass [Member] |  |
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | 135.2 | 135.2
Accumulated Amortization | 0.0 | 0.0
Net | 135.2 | 135.2
Trade Names [Member] |  |
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | 34.6 | 32.9
Accumulated Amortization | (13.9) | (11.5)
Net | 20.7 | 21.4
Internal-use Software [Member] |  |
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | 181.4 | 155.7
Accumulated Amortization | (110.2) | (90.5)
Net | 71.2 | 65.2
Market Access Assets [Member] |  |
Schedule of Intangible Assets by Major Class |  |
Gross Carrying Amount | 13.2 | 13.2
Accumulated Amortization | (9.5) | (8.8)
Net | $ 3.7 | $ 4.4

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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