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Other Expense (Income) (Details 1)
$ in Millions
3 Months Ended
Mar. 31, 2016
USD ($)
Mar. 31, 2015
USD ($)
Feb. 17, 2016
Dec. 31, 2015
Jun. 30, 2013
USD ($)
Other Income and Expenses [Abstract]          
Nonrefundable payment from customer $ 15.6       $ 20.0
Unearned income, current 1.5        
Unearned income, noncurrent 14.1        
Development income 0.4 $ 0.4      
Summary of Investment Holdings [Line Items]          
Venezuela currency devaluation 2.7        
VENEZUELA          
Summary of Investment Holdings [Line Items]          
Foreign currency exchange rate, remeasurement     10.0 6.3  
Net monetary assets 4.7        
Cash and cash equivalents 3.7        
Non-monetary assets 1.0        
Estimate of possible pre-tax charge $ 5.7