Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Accrued self-insurance	$ 27.2	$ 22.4
Operating loss carryforward	9.0	10.6
Compensation and benefits	22.3	8.3
Bed debt	5.8	3.9
Other	9.3	9.9
Valuation allowance	(0.1)	(2.0)
Total deferred tax assets	73.5	53.1
Deferred tax liabilities:
Property and equipment	92.6	62.6
Goodwill	44.8	32.8
Other intangible assets	32.6	26.7
Other	13.8	19.5
Total deferred tax liabilities	212.1	169.2
Net deferred tax liabilities	(138.6)	(116.1)
Long-term contracts [Member]
Deferred tax liabilities:
Deferred tax liabilities, tax deferred income	17.0	16.5
EC Source [Member] | BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain [Member]
Deferred tax liabilities:
Deferred tax liabilities, tax deferred income	$ 11.3	$ 11.1