QUARTERLY CONSOLIDATED FINANCIAL DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Consolidated Financial Data (Unaudited) [Abstract]

Schedule of Quarterly Financial Information

	Quarter
	First			Second		Third		Fourth		Year
(In thousands, except per share amounts)
2014:
Revenue	$	122,228		$	111,052	$	90,570	$	79,233	$	403,083
Gross margin	$	59,807		$	56,911	$	46,527	$	40,785	$	204,030
Net income	$	224		$	8,703	$	5,076	$	5,308	$	19,311
Basic income per common share	$	0.01		$	0.30	$	0.18	$	0.18	$	0.67
Diluted income per common share	$	0.01		$	0.30	$	0.17	$	0.18	$	0.66
2013:
Revenue	$	105,384		$	97,469	$	85,360	$	69,873	$	358,086
Gross margin	$	53,031		$	49,753	$	37,733	$	33,359	$	173,876
Net (loss) income	$	(640	)	$	6,359	$	356	$	1,295	$	7,370
Basic (loss) income per common share	$	(0.02	)	$	0.22	$	0.01	$	0.04	$	0.26
Diluted (loss) income per common share	$	(0.02	)	$	0.22	$	0.01	$	0.04	$	0.25