Independent Contractor Operations (Narrative) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2015 USD ($) item	Dec. 31, 2014 USD ($)
Independent Contractor Operations [Line Items]
Notes receivable from independent contractors | $	$ 1.6	$ 1.6
Settlements of Roto-Rooter segment [Member]
Independent Contractor Operations [Line Items]
Independent contractors with sublicenses	69
Maximum [Member]
Independent Contractor Operations [Line Items]
Interest rates on loans	7.00%
Terms of the loans to independent contractors, years	5 years
Minimum [Member]
Independent Contractor Operations [Line Items]
Interest rates on loans	0.00%
Terms of the loans to independent contractors, years	2 months