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Note 9 - Stock Compensation (Tables) | 6 Months Ended
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Jun. 30, 2020
Notes Tables |
Schedule of Nonvested Share Activity [Table Text Block] |
|  | Granted |  |  | Grant Date |
|  | (In millions) |  |  | Fair Value* |
RSUs |  |  | 1.2 |  |  | $ | 15.51 |
PSUs |  |  | 0.5 |  |  | $ | 14.42 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration