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Long-Term Debt and Commitments (Details)
¥ in Millions, ¥ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2017
USD ($)
Loan
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2017
JPY (¥)
Feb. 14, 2017
USD ($)
Jun. 23, 2015
USD ($)
May 09, 2014
USD ($)
Debt Instrument [Line Items]                
Debt $ 963.6 $ 1,076.7            
Less: Current maturities 3.8 6.8            
Long-term debt 959.8 1,069.9            
Maximum borrowing capacity 37.1              
Repayments of long-term debt 118.9 193.2 $ 191.8          
Uncommitted short-term bank credit lines, amount outstanding 6.3              
Short-term Borrowings [Abstract]                
Short-term borrowings $ 6.3 $ 6.1            
Weighted average interest rate on short-term borrowings 3.90% 3.70%   3.90% 3.90%      
Long-term debt maturities [Abstract]                
2018 $ 3.8              
2019 0.6              
2020 0.6              
2021 304.0              
2022 0.0              
Thereafter 678.0              
Interest costs [Abstract]                
Interest costs 45.4 $ 56.5 62.6          
Capitalized interest cost $ 0.2 0.1 $ 0.5          
Minimum [Member]                
Debt Instrument [Line Items]                
Net leverage ratio 3.50              
Maximum [Member]                
Debt Instrument [Line Items]                
Net leverage ratio 5.25              
Term Loan Facility, Due February 14, 2024 [Member]                
Debt Instrument [Line Items]                
Debt $ 655.3 762.3            
Long-term debt, unamortized discount and deferred financing costs $ 22.7 25.8            
Maturity date Feb. 14, 2024              
Term Loan Facility, Due February 14, 2024 [Member] | Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Amortization rate on notes 1.00%              
Term Loan Facility, Due May 9, 2021 [Member]                
Debt Instrument [Line Items]                
Debt $ 299.5 299.4            
Long-term debt, unamortized discount and deferred financing costs $ 0.5 0.6            
Maturity date May 09, 2021              
Maximum borrowing capacity               $ 1,560.0
Repayments of long-term debt $ 110.0              
Term Loan Facility First Amendment [Member]                
Debt Instrument [Line Items]                
Line of credit outstanding             $ 1,378.0  
Term Loan Facility First Amendment [Member] | Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Line of credit outstanding             1,078.0  
Term Loan Facility First Amendment [Member] | Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Line of credit outstanding             $ 300.0  
Facility variable interest rate 0.25%     0.25% 0.25%      
Term Loan Facility Second Amendment [Member] | LIBOR [Member] | Minimum [Member]                
Debt Instrument [Line Items]                
Facility variable interest rate 0.75%     0.75% 0.75%      
Term Loan Facility Second Amendment [Member] | LIBOR [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Facility variable interest rate 2.25%     2.25% 2.25%      
Term Loan Facility Second Amendment [Member] | Floating Rate Tranche [Member]                
Debt Instrument [Line Items]                
Line of credit outstanding           $ 788.0    
Facility variable interest rate 0.25%     0.25% 0.25%      
Basis points related to debt 0.75%              
Term Loan Facility Second Amendment [Member] | Fixed Rate Tranche [Member]                
Debt Instrument [Line Items]                
Facility variable interest rate 4.75%     4.75% 4.75%      
Japan Loan Facilities [Member]                
Debt Instrument [Line Items]                
Debt $ 5.6 5.8            
Maximum borrowing capacity 6.0       ¥ 680      
China Loan Facilities [Member]                
Debt Instrument [Line Items]                
Debt 3.2 $ 9.2            
Maximum borrowing capacity $ 1.8     ¥ 94.8        
Number of committed loan facilities | Loan 4              
Combined Loan Facility of China and Japan [Member]                
Debt Instrument [Line Items]                
Maturity date Dec. 31, 2021              
Debt instrument outstanding $ 8.8              
Repayments of long-term debt $ 6.9              
Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Maturity date May 09, 2019              
Maximum borrowing capacity               $ 200.0
Basis points related to debt 0.25%              
Debt instrument outstanding $ 0.0              
Letters of credit outstanding $ 12.9              
Revolving Credit Facility [Member] | LIBOR [Member]                
Debt Instrument [Line Items]                
Facility variable interest rate 1.75%     1.75% 1.75%      
Letter of Credit [Member]                
Debt Instrument [Line Items]                
Letters of credit outstanding $ 15.0