Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Property, plant and equipment consisted of the following at December 31, 2013 and 2012:

	Estimated Useful Lives	2013		2012
		(in thousands)
Land		$	3,415	$	3,345
Buildings and structures	10 – 40 years		96,700		75,664
Cable and wire	4 – 40 years		187,293		175,833
Equipment and software	2 – 16.7 years		346,072		331,374
Plant in service		$	633,480	$	586,216
Plant under construction			23,181		25,469
Total property, plant and equipment			656,661		611,685
Less accumulated amortization and depreciation			247,698		246,211
Property, plant and equipment, net		$	408,963	$	365,474

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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