Long-Term Debt (Leverage Ratio And Capitalization Ratio Under The Terms Of The Amended Credit Agreement) (Details)
Sep. 30, 2011
Amended Credit Agreement Maximum Ratio Requirement [Member]
 
Leverage ratio3.25
Capitalization ratio60.00%
Amended Credit Agreement Actual Ratio [Member]
 
Leverage ratio2.38
Capitalization ratio45.90%