Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Legal And Regulatory Matters (Details) $ in Millions	1 Months Ended	12 Months Ended
Legal And Regulatory Matters (Details) $ in Millions	Nov. 30, 2013 item	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items]
Number of shareholder derivative lawsuits filed \| item	2
U.S. v. VITAS [Member]
Loss Contingencies [Line Items]
Net costs incurred \| $		$ 5.0	$ 2.1	$ 2.1