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Note 23 - Schedule II Valuation and Qualifying Accounts and Reserves | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | Schedule II Valuation and Qualifying Accounts and Reserves For the Years Ended December 31, 2020, 2019 and 2018 (In millions)
|  | Balance at |  |  | Charged to |  |  |  |  |  |  |  |  |
|  | Beginning |  |  | Costs and |  |  | Deductions— |  |  | Balance at |
Description |  | of Year |  |  | Expenses (1) |  |  | Write-offs (2) |  |  | End of Year |
Year ended December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 11.7 |  |  | $ | 13.1 |  |  | $ | (7.1 | ) |  | $ | 17.7 |
Valuation allowance for income taxes |  | $ | 46.5 |  |  | $ | 10.7 |  |  | $ | (9.2 | ) |  | $ | 48.0 |
Year ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 5.7 |  |  | $ | 7.2 |  |  | $ | (1.2 | ) |  | $ | 11.7 |
Valuation allowance for income taxes |  | $ | 34.5 |  |  | $ | 16.7 |  |  | $ | (4.7 | ) |  | $ | 46.5 |
Year ended December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 4.6 |  |  | $ | 5.6 |  |  | $ | (4.5 | ) |  | $ | 5.7 |
Valuation allowance for income taxes |  | $ | 17.6 |  |  | $ | 21.2 |  |  | $ | (4.3 | ) |  | $ | 34.5 |
| (1) | Primarily additional reserves for bad debts
| (2) | Primarily accounts receivable balances written off, net of recoveries, the expiration of loss carryforwards and businesses held for sale

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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