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Noncontrolling Interests (Effect Of Changes In Ownership Interest In Subsidiaries On Consolidated Equity)(Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]          
Net income adjusted for noncontrolling interests $ 100,329 $ 60,542 $ 199,028 $ 170,328  
Transfers from the noncontrolling interests:          
Net increase in equity for the acquisition of noncontrolling interests     11,015 0 (16,200)
Change from net income adjusted for noncontrolling interests and transfers from the noncontrolling interests     $ 210,043 $ 170,328