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Employee Benefit Plans - Assumptions Used in Measurement of Net Periodic Pension Cost (Details 6)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
Dec. 31, 2013
U.S. and European Qualified Plans | Accrued pension and other liabilities      
Assumptions used in the measurement of the net periodic pension cost      
Non-current pension liabilities included in accrued pension and other liabilities | $ $ 30.4 $ 31.5  
U.S. and European Qualified Plans | Long-term corporate bonds | Minimum      
Assumptions used in the measurement of the net periodic pension cost      
Number of highest ratings 1    
U.S. and European Qualified Plans | Long-term corporate bonds | Maximum      
Assumptions used in the measurement of the net periodic pension cost      
Number of highest ratings 2    
U.S. Plans      
Assumptions used in the measurement of the net periodic pension cost      
Discount rate (as a percent) 4.01% 4.88% 3.92%
Expected annual return on plan assets (as a percent) 7.50% 7.75% 7.75%
Rate of increase in compensation levels (as a percent) 3.00% 3.50% 4.00%
U.S. Plans | Long-term corporate bonds | Minimum      
Assumptions used in the measurement of the net periodic pension cost      
Number of highest ratings 1    
U.S. Plans | Long-term corporate bonds | Maximum      
Assumptions used in the measurement of the net periodic pension cost      
Number of highest ratings 2    
U.S. Plans | Equity Securities | Minimum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 40.00%    
U.S. Plans | Equity Securities | Maximum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 50.00%    
U.S. Plans | Fixed Income Securities | Minimum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 45.00%    
U.S. Plans | Fixed Income Securities | Maximum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 55.00%    
U.S. Plans | Other Investments      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 5.00%    
European Plans      
Assumptions used in the measurement of the net periodic pension cost      
Discount rate (as a percent) 3.00% 3.92% 3.99%
Expected annual return on plan assets (as a percent) 5.54% 5.23% 4.91%
Rate of increase in compensation levels (as a percent) 3.38% 3.50% 3.50%
European Plans | Equity Securities | Minimum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 35.00%    
European Plans | Equity Securities | Maximum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 45.00%    
European Plans | Fixed Income Securities | Minimum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 45.00%    
European Plans | Fixed Income Securities | Maximum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 55.00%    
European Plans | Other Investments | Minimum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 10.00%    
European Plans | Other Investments | Maximum      
Assumptions used in the measurement of the net periodic pension cost      
Asset allocation assumptions / targeted portfolio mix (as a percent) 15.00%