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Employee Benefit Plans (Details 1) - Foreign Pension Plan - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
SWITZERLAND      
Employee Benefit Plans (Textual) [Abstract]      
Percentage of minimum investment return 1.25% 1.75% 1.75%
Unfunded net pension $ 39.1 $ 42.4  
Employee Benefit Plan obligations 68.6 63.9  
Pension Expense 15.3 12.9 $ 9.8
GERMANY      
Employee Benefit Plans (Textual) [Abstract]      
Employee Benefit Plan obligations 35.4 27.6  
Periodic pension cost $ 4.2 $ 4.0 $ 3.5