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Acquisitions and Dispositions (Details 6) (Discontinued Operations [Member], Homemaker Services Agency and Rehab Without Walls [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Discontinued Operations [Member] \| Homemaker Services Agency and Rehab Without Walls [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fixed assets, net	$ 183
Other assets	109
Total non-current assets	292
Total assets	$ 292

For the disposal group, including a component of the entity (discontinued operation), carrying value (net of accumulated depreciation and any write-downs) of tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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