EQUITY-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2012

EQUITY-BASED COMPENSATION [Abstract]

Schedule of Equity-based Compensation Expense for Restricted Stock Awards and Non-Qualified Stock Options

	Years Ended December 31,
	2012			2011			2010
Cost of revenues	$	482		$	169		$	237
Selling and marketing		1,340			837			1,630
Research and development		557			538			718
General and administrative		5,695			5,213			6,012
Equity-based compensation expense		8,074			6,757			8,597
Income tax benefits		(2,826	)		(2,365	)		(3,009	)
Total equity-based compensation expense, net of tax	$	5,248		$	4,392		$	5,588

Schedule Of Share Based Compensation Restricted Stock Units Award Activity

	Shares			Weighted- average grant date fair value
Unvested at December 31, 2011		1,742,920		$	8.14
Granted		977,249			9.41
Vested/released		(893,747	)		8.85
Forfeited		(61,750	)		7.65
Unvested at December 31, 2012		1,764,672		$	8.50

Summary of Stock Option Activity Under Stock Option and Incentive Plans

	Options			Weighted- average exercise price		Weighted- average remaining contractual life (in years)		Aggregate intrinsic value
Options outstanding at December 31, 2011		227,835		$	9.98
Granted		-			-
Exercised		(109,167	)		8.53
Expired		(31,500	)		11.53
Options outstanding and exercisable at December 31, 2012		87,168		$	11.23		0.59		4,000