STOCK INCENTIVE PLANS (Tables)

12 Months Ended

Dec. 31, 2012

Valuation Assumptions for Stock Options

	2012			2011			2010
Risk-free interest rate		0.8-1.0	%		1.2-2.6	%		1.6-2.9	%
Expected dividend yield		—			—			—
Expected option life		5.6-5.9 years			5.8-5.9 years			5.9-6.1 years
Expected volatility		57	%		55-57	%		53-55	%

Stock Option Activity

The following table summarizes the activity of the Company’s stock option plans:

	Number of Options			Weighted Average Exercise Price
Outstanding, December 31, 2011		9,778,539		$	15.53
Granted		1,233,086		$	17.02
Exercised		(661,909	)	$	9.67
Cancelled		(1,418,133	)	$	18.47
Outstanding, December 31, 2012		8,931,583		$	15.71
Exercisable at December 31, 2010		4,983,088		$	18.60
Exercisable at December 31, 2011		6,033,858		$	18.13
Exercisable at December 31, 2012		5,885,363		$	17.20

Restricted Stock Awards Activity

The following table summarizes the activity of the Company’s restricted stock awards:

	Number of Awards			Weighted Average Grant Date Fair Value
Unvested at December 31, 2011		312,482		$	10.68
Granted		513,082		$	10.49
Vested		(141,740	)	$	10.42
Forfeited		(80,064	)	$	5.94
Unvested at December 31, 2012		603,760		$	9.37