STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Stock Option Activity Under Equity Compensation Plans

The table below summarizes stock option activity under our equity compensation plans for the year ended December 31, 2011:

	Options		Weighted Average Exercise Price		Remaining Contractual Life		Aggregate Intrinsic Value (in thousands)
Options outstanding at December 31, 2010		253,893	$	8.15
Exercised		217,360		8.63
Options outstanding and exercisable at December 31, 2011		36,533		5.32		1.2 years	$	1,222

Summary of Restricted Stock Unit Activity

The table below summarizes restricted stock unit activity for the year ended December 31, 2011:

	Restricted Stock Units			Weighted Average Grant Date Fair Value
Restricted stock units outstanding at December 31, 2010		1,003,556		$	25.12
Granted		204,638			36.98
Released		(374,071	)		24.78
Cancelled		(27,860	)		26.32
Restricted stock units outstanding at December 31, 2011		806,263			28.31