Summary Of Significant Accounting Policies (Schedule Of Major Asset Classifications And Useful lives) (Details)	12 Months Ended
	Dec. 31, 2014
Buildings and leasehold improvements | Minimum
Property and equipment
Useful lives	10 years
Buildings and leasehold improvements | Maximum
Property and equipment
Useful lives	50 years
Office, computer, and telephone equipment | Minimum
Property and equipment
Useful lives	3 years
Office, computer, and telephone equipment | Maximum
Property and equipment
Useful lives	10 years
Medical and medical testing equipment | Minimum
Property and equipment
Useful lives	5 years
Medical and medical testing equipment | Maximum
Property and equipment
Useful lives	10 years
Automobiles and vans
Property and equipment
Useful lives	5 years