Annual report pursuant to Section 13 and 15(d)

Financial Instruments, Fair Values of Derivative Instruments (Details)

v3.8.0.1
Financial Instruments, Fair Values of Derivative Instruments (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Other Hedging Activity [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Assets $ 0.7 $ 1.2
Total Derivative Liabilities 0.1 0.3
Foreign Exchange Contracts [Member] | Prepaid Expenses and Other [Member] | Other Hedging Activity [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Assets 0.7 1.2
Foreign Exchange Contracts [Member] | Accrued Expenses [Member] | Other Hedging Activity [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Liabilities 0.1 0.3
Cash Flow Hedging [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Assets 2.5 7.2
Total Derivative Liabilities 5.5 2.5
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Prepaid Expenses and Other [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Assets 2.5 7.2
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member] | Accrued Expenses [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Liabilities 5.5 2.5
Fair Value Hedging [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Assets 2.8 2.8
Total Derivative Liabilities 2.1 1.9
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Prepaid Expenses and Other [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Assets 2.1 2.1
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Accrued Expenses [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Liabilities 1.8 1.7
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Other Long-Term Assets [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Assets 0.7 0.7
Fair Value Hedging [Member] | Interest Rate Contracts [Member] | Other Long-Term Liabilities [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Total Derivative Liabilities $ 0.3 $ 0.2