Annual report pursuant to Section 13 and 15(d)

Financial Instruments - Schedule of Estimated Fair Value (Details)

v3.20.4
Financial Instruments - Schedule of Estimated Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Fair Value Measurement [Domain] | Total Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities $ 73.8  
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 1.1 $ 0.7
Level 1 | Foreign exchange contracts | Not Designated as Hedging Instrument    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 1.1 0.7
Level 1 | Total Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0  
Level 1 | Revolving Credit Facility    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0  
Level 1 | Revolving Credit Facility | Not Designated as Hedging Instrument    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities   0.0
Level 1 | Line of Credit, Current    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0  
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 88.3 42.2
Level 2 | Foreign exchange contracts | Not Designated as Hedging Instrument    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0 0.0
Level 2 | Total Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 73.8  
Level 2 | Revolving Credit Facility    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 10.0  
Level 2 | Revolving Credit Facility | Not Designated as Hedging Instrument    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities   42.2
Level 2 | Line of Credit, Current    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 4.5  
Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0 0.0
Level 3 | Foreign exchange contracts | Not Designated as Hedging Instrument    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0 0.0
Level 3 | Total Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0  
Level 3 | Revolving Credit Facility    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0  
Level 3 | Revolving Credit Facility | Not Designated as Hedging Instrument    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities   0.0
Level 3 | Line of Credit, Current    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 0.0  
Carrying amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 85.6 42.9
Carrying amount | Foreign exchange contracts | Not Designated as Hedging Instrument    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 1.1 0.7
Carrying amount | Total Debt    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 70.0  
Carrying amount | Revolving Credit Facility    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 10.0 42.2
Carrying amount | Line of Credit, Current    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities 4.5  
Estimated fair value    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Financial Liabilities $ 89.4 $ 42.9