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Note 6 - Property, Plant and Equipment | 9 Months Ended
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Sep. 30, 2021
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | 6. PROPERTY, PLANT AND EQUIPMENT Property, plant and equipment consisted of the following (in thousands):
|  | September 30, 2021 |  |  | December 31, 2020 |
Cable distribution systems |  | $ | 2,412,978 |  |  | $ | 1,916,048 |
Customer premise equipment |  |  | 314,304 |  |  |  | 283,831 |
Other equipment and fixtures |  |  | 455,612 |  |  |  | 463,469 |
Buildings and improvements |  |  | 138,807 |  |  |  | 117,367 |
Capitalized software |  |  | 86,178 |  |  |  | 107,107 |
Construction in progress |  |  | 177,092 |  |  |  | 89,488 |
Land |  |  | 21,041 |  |  |  | 13,293 |
Right-of-use assets |  |  | 11,241 |  |  |  | 10,314 |
Property, plant and equipment, gross |  |  | 3,617,253 |  |  |  | 3,000,917 |
Less: Accumulated depreciation and amortization |  |  | (1,815,884 | ) |  |  | (1,735,457 | )
Property, plant and equipment, net |  | $ | 1,801,369 |  |  | $ | 1,265,460 |
Depreciation and amortization expense for property, plant and equipment was $69.3 million and $59.8 million for the three months ended September 30, 2021 and 2020, respectively, and $193.3 million and $168.4 million for the nine months ended September 30, 2021 and 2020, respectively.

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