PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment (including equipment under capital leases) consist of the following assets, which are depreciated or amortized on a straight-line basis over the estimated useful lives shown below:

	December 31, 2017			December 31, 2016			Estimated Useful Lives
Customer premise equipment	$	1,093,726		$	871,049		3 to 5 years
Headends and related equipment	1,626,293			1,482,631			4 to 25 years
Infrastructure	4,003,845			3,740,494			3 to 25 years
Equipment and software	918,298			735,012			3 to 10 years
Construction in progress (including materials and supplies)	240,496			84,321
Furniture and fixtures	52,545			45,576			5 to 12 years
Transportation equipment	138,147			135,488			5 to 10 years
Buildings and building improvements	394,421			390,337			10 to 40 years
Leasehold improvements	108,071			104,309			Term of lease
Land	47,563			47,715
	8,623,405			7,636,932
Less accumulated depreciation and amortization	(2,599,579		)	(1,039,297		)
	$	6,023,826		$	6,597,635

Schedule of Capital Leased Assets

The gross amount of buildings and equipment and related accumulated depreciation recorded under capital leases is presented below:

	December 31,
	2017			2016
Buildings and equipment	$	48,936		$	53,833
Less accumulated depreciation	(12,972		)	(6,306		)
	$	35,964		$	47,527