Background and Basis of Presentation Background and Basis of Presentation (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended	1 Months Ended
Jun. 30, 2012 Home Health and Hospice [Member] LOUISIANA	May 31, 2012 Healthcare Partners [Member]
Significant Acquisitions and Disposals [Line Items]
Total consideration from sale of business	$ 6.4	$ 0.3

Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities.

No definition available.

Name:	us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration