Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2011

A summary of our stock option activity for the year ended December 31, 2011, was as follows (in thousands, except per share amounts):

	Stock Options			Weighted- Average Exercise Price per Share		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (1)
Outstanding at January 1, 2011		3,985		$	11.72		5.8	$	8,830
Granted		249			17.27
Exercised		(725	)		6.04
Canceled/Forfeited		(204	)		12.09
Outstanding at December 31, 2011		3,305		$	13.36		5.4	$	29,907

Exercisable at December 31, 2011		1,883		$	11.67		4.4	$	19,584

(1)	Aggregate intrinsic value includes only those options where the current share price is equal to or greater than the share price on the date of grant.

Other stock option information

Other information pertaining to options for the years ended December 31, 2011; January 1, 2011; and January 2, 2010; is as follows (in thousands, except per share amounts):

	2011		2010		2009
Weighted-average grant date fair value of stock options granted	$	10.91	$	6.18	$	1.17
Total intrinsic value (at exercise) of stock options exercised	$	8,295	$	5,860	$	140
Cash received from the exercise of stock options	$	4,356	$	1,014	$	130
Stock-based compensation expense recognized in the consolidated statements of operations	$	2,721	$	2,491	$	2,184
Excess income tax benefits from exercise of stock options	$	2,001	$	1,358	$	-

Assumptions used to calculate fair value of awards

The assumptions used to calculate the fair value of awards granted during 2011, 2010 and 2009 using the Black-Scholes-Merton option-pricing model were as follows:

Valuation Assumptions	2011			2010			2009
Expected dividend yield		0	%		0	%		0	%
Expected volatility		78	%		78	%		89	%
Risk-free interest rate		1.9	%		2.0	%		2.4	%
Expected term (in years)		5.0			4.9			4.8

Time-Based Stock Awards and Performance Stock Awards Activity

Stock award and performance stock award activity was as follows for the year ended December 31, 2011 (in thousands, except per share amounts):

	Time- Based Stock Awards			Weighted-Average Grant Date Fair Value		Performance Stock Awards			Weighted-Average Grant Date Fair Value
Outstanding at January 1, 2011		447		$	7.83		688		$	5.48
Granted		100			16.76		142			17.34
Vested		(112	)		11.72		(18	)		19.85
Canceled/Forfeited		(44	)		7.34		(86	)		3.76
Outstanding at December 31, 2011		391		$	9.06		726		$	7.65

Reconciliation of net income to earnings per share amounts

The following computations reconcile net income per share – basic with net income per share – diluted (in thousands, except per share amounts):

	2011		2010		2009
Net income	$	60,478	$	31,568	$	35,552

Reconciliation of weighted-average shares outstanding:
Basic weighted-average shares outstanding		55,081		54,005		45,682
Effect of dilutive securities:
Options		821		817		219
Restricted shares		530		442		269
Warrants		-		-		28
Diluted weighted-average shares outstanding		56,432		55,264		46,198

Net income per share – basic	$	1.10	$	0.58	$	0.78
Net income per share – diluted		1.07		0.57		0.77