Insurance Programs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Health insurance	$ 10.6	$ 11.7
Wokers compensation	26.8	23.9
Professional liability	4.7	4.1
Estimated Insurance Total	42.1	39.7
Estimated Insurance Long Term Portion	(0.8)	(0.9)
Estimated Insurance Excluding Long Term Portion	$ 41.3	$ 38.8