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Employee Benefit And Retirement Plans (Schedule Of Company's Pension Cost And Supplemental Retirement Plans) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
United States Pension Plan of US Entity [Member]        
Service cost-benefits earned during the period $ 0.7 $ 0.8 $ 1.4 $ 1.6
Interest cost on projected benefit obligation 12.5 10.3 20.1 20.6
Expected return on plan assets (19.2) (14.4) (30.6) (28.8)
Amortization of Prior Service Cost (Benefit) and Actuarial Losses (Gains), Net 5.4 6.8 10.8 13.6
Net periodic pension cost (0.6) 3.5 1.7 7.0
International [Member]        
Service cost-benefits earned during the period 1.8 1.5 3.1 3.0
Interest cost on projected benefit obligation 4.9 5.0 9.5 10.0
Expected return on plan assets (5.8) (5.7) (11.3) (11.4)
Amortization of Prior Service Cost (Benefit) and Actuarial Losses (Gains), Net 0.7 0.9 1.4 1.8
Net periodic pension cost $ 1.6 $ 1.7 $ 2.7 $ 3.4