Annual report pursuant to Section 13 and 15(d)

Financial Instruments (Details)

v3.19.3.a.u2
Financial Instruments (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Senior Notes Due 2021 [Member]    
Derivative [Line Items]    
Interest Rate   4.625%
Debentures Due 2023 [Member]    
Derivative [Line Items]    
Interest Rate   7.375%
Foreign Exchange Forward [Member]    
Derivative [Line Items]    
Derivative, Notional Amount $ 332.5 $ 308.9
Foreign Exchange Option [Member]    
Derivative [Line Items]    
Derivative, Notional Amount 17.8 27.2
Foreign Exchange Contracts [Member]    
Derivative [Line Items]    
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months 3.4  
Forward-Starting Interest Rate Swap [Member]    
Derivative [Line Items]    
Derivative, Notional Amount 0.0  
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months (0.6)  
Amount of Gain (Loss) Estimated to be Reclassified From Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense (2.0) (2.5)
Debentures Due 2023 [Member]    
Derivative [Line Items]    
Amount of Gain (Loss) Estimated to be Reclassified From Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense 2.5  
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net 0.7  
Interest Rate Swap [Member]    
Derivative [Line Items]    
Derivative, Notional Amount $ 0.0 200.0
Interest Rate Swap [Member] | Senior Notes Due 2021 [Member]    
Derivative [Line Items]    
Derivative, Notional Amount   150.0
Interest Rate Swap [Member] | Debentures Due 2023 [Member]    
Derivative [Line Items]    
Derivative, Notional Amount   $ 50.0
Minimum [Member]    
Derivative [Line Items]    
Term of Derivative Instruments (in Months)   1 month
Maximum [Member]    
Derivative [Line Items]    
Term of Derivative Instruments (in Months)   18 months