BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Summary of Estimated Useful Lives

Depreciation and amortization is computed using the straight-line method based on their estimated useful lives, as follows:

	Estimated Useful Life
Buildings and building improvements	10-30 years
Telephone and computer equipment	3-5 years
Software	3 years
Furniture, fixtures, and miscellaneous equipment	5-7 years

Our property, plant and equipment as of December 31, 2016 and 2015 consisted of the following, by asset class:

	2016			2015
Land, buildings and improvements	20,582			20,966
Telephone and computer equipment	40,298			38,925
Software	35,626			35,162
Furniture, fixtures, and miscellaneous equipment	15,341			15,359
Construction in progress	1,618			1,041
Assets acquired under capital lease	13,530			13,582
	126,995			125,035
Less accumulated depreciation	(98,690		)	(92,501		)
Less accumulated amortization under capital lease	(5,029		)	(2,170		)
Total property, plant and equipment, net	$	23,276		$	30,364

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination

We amortize all acquisition-related intangible assets that are subject to amortization using the straight-line method over the estimated useful life based on economic benefit as follows:

	Estimated Useful Life
Developed technology	8 years
Customer	3-10 years
Trade name	6-7 years