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Note 10 - Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] |
|  | September 30, 2021
|  | Carrying |  |  | Fair |  | Fair Value
|  | Amount |  |  | Value |  | Hierarchy
Assets: |  |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |  |
Money market investments |  | $ | 430,767 |  |  | $ | 430,767 |  | Level 1
Liabilities: |  |  |  |  |  |  |  |  |
Long-term debt (including current portion): |  |  |  |  |  |  |  |  |
Term loans |  | $ | 2,320,323 |  |  | $ | 2,306,651 |  | Level 2
Senior Notes |  | $ | 650,000 |  |  | $ | 645,125 |  | Level 2
Convertible Notes |  | $ | 920,000 |  |  | $ | 913,917 |  | Level 2
Interest rate swap liability (including current portion): |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | 120,566 |  |  | $ | 120,566 |  | Level 2
Other noncurrent liabilities: |  |  |  |  |  |  |  |  |
MBI Net Option |  | $ | 114,700 |  |  | $ | 114,700 |  | Level 3
MBI Net Option [Member] |
Notes Tables |
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
|  | September 30, 2021 |  |  | December 31, 2020 |
|  | Cable One |  |  | MBI |  |  | Cable One |  |  | MBI |
Equity volatility |  |  | 30.0 | % |  |  | 30.0 | % |  |  | 28.0 | % |  |  | 30.0 | %
EBITDA volatility |  |  | 10.0 | % |  |  | 10.0 | % |  |  | 10.0 | % |  |  | 10.0 | %
EBITDA risk-adjusted discount rate |  |  | 5.5 | % |  |  | 6.5 | % |  |  | 5.0 | % |  |  | 6.5 | %
Cost of debt |  |  | 4.0 | % |  |  |  |  |  |  | 4.0 | % |  |  |  |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=123874694&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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