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v3.20.4

Note 4 - Management Actions (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Restructuring Charges, Total |  | $ 3.1 | $ 2.0 |  | $ 6.2 | $ 6.1 |
Notes Receivable, Write-down |  |  |  |  | 0.0 | 2.7 | $ 0.0
Employee Severance [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  | 1.4 | 1.3 |  |  | 4.8 |
Other Restructuring [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  | 1.7 | 0.7 |  |  |  |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  | 1.9 | 1.7 |  |  |  |
Notes Receivable, Write-down |  |  |  | $ 2.7 |  |  |
Selling, General and Administrative Expenses [Member] | Employee Severance [Member] |  |  |  |  |  |  |
Restructuring Charges, Total | $ 3.5 |  |  |  |  | 4.5 |
Cost of Sales [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  | $ 1.2 | $ 0.3 |  |  |  |
Inventory Write-down |  |  |  |  | $ 1.7 | 3.3 |
Cost of Sales [Member] | Employee Severance [Member] |  |  |  |  |  |  |
Restructuring Charges, Total |  |  |  |  |  | $ 0.3 |

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