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Employee Benefit Plans (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2015
Settlement charge $ 23.5  
U.S. Pension and Postretirement Plans [Member]    
Employer contribution   $ 8.0
International Pension and Postretirement Plans [Member]    
Employer contribution   11.0
Minimum [Member] | U.S. Pension and Postretirement Plans [Member]    
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year   40.0
Minimum [Member] | International Pension and Postretirement Plans [Member]    
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year   15.0
Maximum [Member] | U.S. Pension and Postretirement Plans [Member]    
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year   45.0
Maximum [Member] | International Pension and Postretirement Plans [Member]    
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year   $ 20.0