Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Schedule Of Amortization Period For Intangible Assets) (Details)

v2.4.0.6
Summary Of Significant Accounting Policies (Schedule Of Amortization Period For Intangible Assets) (Details)
12 Months Ended
Dec. 31, 2011
years
Purchased Contract Rights [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Intangible Assets, Amortization Period, Minimum 5
Intangible Assets, Amortization Period, Maximum 15
Provider Contracts [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Intangible Assets, Amortization Period, Minimum 7
Intangible Assets, Amortization Period, Maximum 10
Customer Relationships [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Intangible Assets, Amortization Period, Minimum 5
Intangible Assets, Amortization Period, Maximum 15
Trade Names [Member]
 
Finite-Lived Intangible Assets [Line Items]  
Intangible Assets, Amortization Period, Minimum 7
Intangible Assets, Amortization Period, Maximum 20