STOCK BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2017

Stock-Based Compensation Impact on Company's Operations

The impact on the Company’s results of operations of recording stock-based compensation (including impact of restricted stock) for the three and nine months ended September 30, 2017 and 2016 was as follows:

	(in thousands)
	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(in thousands)				(in thousands)
Cost of revenues	$	917	$	635	$	2,854	$	2,024
Selling, general and administrative expenses		1,223		1,017		3,871		3,310
	$	2,140	$	1,652	$	6,725	$	5,334

Summary of Activity for Restricted Stock Unit Awards Granted

A summary of the activity for restricted stock unit awards granted under our stock-based compensation plans as of September 30, 2017 and December 31, 2016 and changes during the period ended are presented below:

	Nine Months Ended September 30, 2017					Year ended December 31, 2016
	Number Of Awards			Weighted Average Grant Date Fair Value		Number Of Awards			Weighted Average Grant Date Fair Value
Unvested at January 1		669,556		$	29.16		465,290		$	41.47
Granted		315,022		$	18.13		415,519		$	20.57
Vested		(94,377	)	$	40.47		(198,725	)	$	39.10
Forfeited		(72,275	)	$	37.22		(12,528	)	$	43.77
Unvested Total		817,926		$	22.90		669,556		$	29.16